opencourse.kr Open in urlscan Pro
2606:4700:3033::6815:5e03 Public Scan

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Submitted URL:
http://opencourse.kr/
Effective URL:
https://opencourse.kr/
Submission: On March 13 via api (March 13th 2024, 11:31:17 am UTC) from US — Scanned from DE

Summary HTTP 83 Redirects Links 6 Behaviour Indicators

Summary

This website contacted 13 IPs in 3 countries across 11 domains to perform 83 HTTP transactions. The main IP is 2606:4700:3033::6815:5e03, located in United States and belongs to CLOUDFLARENET, US. The main domain is opencourse.kr.
TLS certificate: Issued by GTS CA 1P5 on March 8th 2024. Valid for: 3 months.

This is the only time opencourse.kr was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 64	2606:4700:303... 2606:4700:3033::6815:5e03	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2606:4700::68... 2606:4700::6810:5714	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2a00:1450:400... 2a00:1450:4001:80b::2002	15169 (GOOGLE) (GOOGLE)
4	2a00:1450:400... 2a00:1450:4001:813::200e	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:80e::2008	15169 (GOOGLE) (GOOGLE)
1	2606:4700::68... 2606:4700::6810:4f49	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	2a00:1450:400... 2a00:1450:4001:82a::2002	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:803::200a	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:81c::2001	15169 (GOOGLE) (GOOGLE)
3	2a00:1450:400... 2a00:1450:4001:828::2003	15169 (GOOGLE) (GOOGLE)
1	2001:4860:480... 2001:4860:4802:32::36	15169 (GOOGLE) (GOOGLE)
2	2a00:1450:400... 2a00:1450:400c:c06::9d	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:80b::2004	15169 (GOOGLE) (GOOGLE)
83	13

64 2606:4700:3033::6815:5e03 (United States) 1 redirects

ASN13335 (CLOUDFLARENET, US)

opencourse.kr	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2606:4700::6810:5714 (United States)

ASN13335 (CLOUDFLARENET, US)

cdn.jsdelivr.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:80b::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

pagead2.googlesyndication.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2a00:1450:4001:813::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

fundingchoicesmessages.google.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:80e::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.googletagmanager.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2606:4700::6810:4f49 (United States)

ASN13335 (CLOUDFLARENET, US)

static.cloudflareinsights.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:82a::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

googleads.g.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:803::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

fonts.googleapis.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:81c::2001 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

lh3.googleusercontent.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2a00:1450:4001:828::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

fonts.gstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
www.google.de	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2001:4860:4802:32::36 (United States)

ASN15169 (GOOGLE, US)

region1.analytics.google.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:400c:c06::9d (Brussels, Belgium)

ASN15169 (GOOGLE, US)

stats.g.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:80b::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.google.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
64	opencourse.kr 1 redirects opencourse.kr	7 MB
6	google.com fundingchoicesmessages.google.com — Cisco Umbrella Rank: 647 region1.analytics.google.com — Cisco Umbrella Rank: 2656 www.google.com — Cisco Umbrella Rank: 2	180 KB
3	doubleclick.net googleads.g.doubleclick.net — Cisco Umbrella Rank: 35 stats.g.doubleclick.net — Cisco Umbrella Rank: 84	5 KB
2	gstatic.com fonts.gstatic.com	173 KB
2	googlesyndication.com pagead2.googlesyndication.com — Cisco Umbrella Rank: 104	188 KB
2	jsdelivr.net cdn.jsdelivr.net — Cisco Umbrella Rank: 310	323 KB
1	google.de www.google.de — Cisco Umbrella Rank: 6744	408 B
1	googleusercontent.com lh3.googleusercontent.com — Cisco Umbrella Rank: 46	5 KB
1	googleapis.com fonts.googleapis.com — Cisco Umbrella Rank: 30	6 KB
1	cloudflareinsights.com static.cloudflareinsights.com — Cisco Umbrella Rank: 788	7 KB
1	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 40	95 KB
83	11

	Domain	Requested by
64	opencourse.kr	1 redirects opencourse.kr cdn.jsdelivr.net static.cloudflareinsights.com
4	fundingchoicesmessages.google.com	opencourse.kr pagead2.googlesyndication.com
2	stats.g.doubleclick.net	www.googletagmanager.com opencourse.kr
2	fonts.gstatic.com	opencourse.kr
2	pagead2.googlesyndication.com	opencourse.kr pagead2.googlesyndication.com
2	cdn.jsdelivr.net	opencourse.kr
1	www.google.com	opencourse.kr
1	www.google.de	opencourse.kr
1	region1.analytics.google.com	www.googletagmanager.com
1	lh3.googleusercontent.com	opencourse.kr
1	fonts.googleapis.com
1	googleads.g.doubleclick.net	pagead2.googlesyndication.com
1	static.cloudflareinsights.com	opencourse.kr
1	www.googletagmanager.com	opencourse.kr
83	14

This site contains links to these domains. Also see Links.

Domain
sns.opencourse.kr
forum.opencourse.kr
opencourse.tistory.com
toss.me
status.opencourse.kr
ghost.org

Subject Issuer	Validity	Valid
opencourse.kr GTS CA 1P5	`2024-03-08` - `2024-06-06`	3 months	crt.sh
sni.cloudflaressl.com Cloudflare Inc ECC CA-3	`2023-05-02` - `2024-05-01`	a year	crt.sh
*.g.doubleclick.net GTS CA 1C3	`2024-02-19` - `2024-05-13`	3 months	crt.sh
*.google.com GTS CA 1C3	`2024-02-19` - `2024-05-13`	3 months	crt.sh
*.google-analytics.com GTS CA 1C3	`2024-02-19` - `2024-05-13`	3 months	crt.sh
cloudflareinsights.com GTS CA 1P5	`2024-03-10` - `2024-06-08`	3 months	crt.sh
upload.video.google.com GTS CA 1C3	`2024-02-19` - `2024-05-13`	3 months	crt.sh
*.googleusercontent.com GTS CA 1C3	`2024-02-19` - `2024-05-13`	3 months	crt.sh
*.gstatic.com GTS CA 1C3	`2024-02-19` - `2024-05-13`	3 months	crt.sh
www.google.de GTS CA 1C3	`2024-02-19` - `2024-05-13`	3 months	crt.sh
www.google.com GTS CA 1C3	`2024-02-19` - `2024-05-13`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://opencourse.kr/
Frame ID: 743F280BA6C3F9A694AF8AAC7B645DFC
Requests: 82 HTTP requests in this frame

Frame: https://googleads.g.doubleclick.net/pagead/html/r20240311/r20190131/zrt_lookup_fy2021.html
Frame ID: 0A4B3D4AAB4AF94DD993E4D761198436
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

OpenCourse - 오픈코스

Page URL History Show full URLs

http://opencourse.kr/ HTTP 301
https://opencourse.kr/ Page URL

Detected technologies

Cloudflare Browser Insights (Analytics) Expand

Overall confidence: 100%
Detected patterns

static\.cloudflareinsights\.com/beacon(?:\.min)?\.js

Google AdSense (Advertising Networks) Expand

Overall confidence: 100%
Detected patterns

googlesyndication\.com/

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

Google Font API (Font Scripts) Expand

Overall confidence: 100%
Detected patterns

<link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

googletagmanager\.com/gtag/js

jsDelivr (CDN) Expand

Overall confidence: 100%
Detected patterns

//cdn\.jsdelivr\.net/

Page Statistics

83
Requests

100 %
HTTPS

100 %
IPv6

11
Domains

14
Subdomains

13
IPs

3
Countries

8108 kB
Transfer

10842 kB
Size

10
Cookies

6 Outgoing links

These are links going to different origins than the main page.

URL: https://sns.opencourse.kr/@opencourse

Search URL Search Domain Scan URL

URL: https://forum.opencourse.kr/

Search URL Search Domain Scan URL

URL: https://opencourse.tistory.com/

Search URL Search Domain Scan URL

URL: https://toss.me/opencourse

Search URL Search Domain Scan URL

URL: https://status.opencourse.kr/
Title: 서비스 상태

Search URL Search Domain Scan URL

URL: https://ghost.org/?via=biswajit48
Title: Ghost

Search URL Search Domain Scan URL

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

http://opencourse.kr/ HTTP 301
https://opencourse.kr/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

83 HTTP transactions
0 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

200

Primary Request / Show response
opencourse.kr/
Redirect Chain

http://opencourse.kr/
https://opencourse.kr/

551 KB
76 KB

1256ms
1236ms

Document
text/html

2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://opencourse.kr/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

68e3fcf14d119e50c67c2c9341de095ce4f38f5353825f6be320931a811ff5b5

Security Headers

Name	Value
Strict-Transport-Security	max-age=15552000; includeSubDomains; preload
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

alt-svc: h3=":443"; ma=86400
cache-control: public, max-age=0
cf-cache-status: DYNAMIC
cf-ray: 863bb227de2a9159-FRA
content-encoding: br
content-type: text/html; charset=utf-8
date: Wed, 13 Mar 2024 11:31:09 GMT
expect-ct: max-age=86400, enforce
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
referrer-policy: same-origin
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=aPiYxuPp0%2BjLLIBeX3EAybuK0eh9dna6Tb%2FqkPl6bBA5dr00LUW4w8RccJCoZkIPltnn5jV2if6tqoIQHZdiDdKtGNGqd1RXZqbpvLURp6U5qYoQiDAjZgwFsxFUysLR6FNfCMjA2y67plD1"}],"group":"cf-nel","max_age":604800}
server: cloudflare
strict-transport-security: max-age=15552000; includeSubDomains; preload
vary: Accept-Encoding
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
x-xss-protection: 1; mode=block

Redirect headers

CF-RAY: 863bb2277ec96abb-FRA
Cache-Control: max-age=3600
Connection: keep-alive
Date: Wed, 13 Mar 2024 11:31:08 GMT
Expires: Wed, 13 Mar 2024 12:31:08 GMT
Location: https://opencourse.kr/
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=6kTUlQN8cgEEuSui3rNfEEWrZ1c4eHgSQukyl3EgPE1uKPVQrpVbJXqdgoPjxr%2FJP%2BsZ5uLYdu5giq1lqsqgLYqkl9AAX10WIJqO0Jy8wHH5pda3pcC%2BKLqnTK%2B5KGzTm7qmRvmjI55HS%2BOA"}],"group":"cf-nel","max_age":604800}
Server: cloudflare
Transfer-Encoding: chunked
Vary: Accept-Encoding
alt-svc: h3=":443"; ma=86400
expect-ct: max-age=86400, enforce
referrer-policy: same-origin
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
x-xss-protection: 1; mode=block

GET
H2 200 style.min.css
opencourse.kr/assets/css/ 74 KB
15 KB 1023ms
1022ms Stylesheet
text/css 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://opencourse.kr/assets/css/style.min.css?v=90d36f08c8

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

058cf0973f5c6b75be5d2eeb13518595ef08559090b2d03754aa313c75ad66c8

Security Headers

Name	Value
Strict-Transport-Security	max-age=15552000; includeSubDomains; preload
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:10 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding: br
alt-svc: h3=":443"; ma=86400
x-xss-protection: 1; mode=block
referrer-policy: same-origin
last-modified: Fri, 22 Dec 2023 09:11:41 GMT
server: cloudflare
etag: W/"129ca-18c90cb711b"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=%2BIR0QrP81iEm0AAaJ5sM9ryQXeM1N932q9OApdIVsCHQC%2B5x9zPW3Z5%2Bo6gTJkz9jlk8q8LvQ7seszW%2FPMUhyYhIEVyJdI5NTtpGPKlL30ZBW07dZe5qqTLicxZwRomfTWxY394zyDgIk9fS"}],"group":"cf-nel","max_age":604800}
content-type: text/css; charset=UTF-8
x-frame-options: SAMEORIGIN
cache-control: public, max-age=31536000
cf-ray: 863bb230594d9159-FRA

GET
H2 200 app.bundle.min.js Show response
opencourse.kr/assets/js/ 30 KB
9 KB 1006ms
1006ms Script
application/javascript 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://opencourse.kr/assets/js/app.bundle.min.js?v=90d36f08c8

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

09128c57ee36e35e49099bd6780b44821a5d45774b548628ea68eeacee1ab46b

Security Headers

Name	Value
Strict-Transport-Security	max-age=15552000; includeSubDomains; preload
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:10 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding: br
alt-svc: h3=":443"; ma=86400
x-xss-protection: 1; mode=block
referrer-policy: same-origin
last-modified: Fri, 22 Dec 2023 09:11:41 GMT
server: cloudflare
etag: W/"7928-18c90cb711b"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=yAr%2FZJOaYccYK%2FtlCX2QRIY9qSgpQblCktX0OfpaUBhPdkCdVA26faiOm3LOns8wQFRLqrJVcvChYYcoOD2qBPHTjd1EZUcvYkLJN1z1mhWjwue2YsYd0siajBnzYjcAnoRgt%2F33ZA1M%2BHe3"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript; charset=UTF-8
x-frame-options: SAMEORIGIN
cache-control: public, max-age=31536000
cf-ray: 863bb23069509159-FRA

GET
H2 200 portal.min.js Show response
cdn.jsdelivr.net/ghost/portal@~2.36/umd/ 1 MB
258 KB 58ms
39ms Script
application/javascript 2606:4700::6810:5714
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://cdn.jsdelivr.net/ghost/portal@~2.36/umd/portal.min.js

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:5714 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

905294f5d28180922d1b5cb1e5c46c01157ef38b6d69c17ceb3b46ca0ccab863

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

Referer: https://opencourse.kr/
Origin: https://opencourse.kr
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:10 GMT
strict-transport-security: max-age=31536000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age: 24371
x-jsd-version: 2.36.5
content-encoding: br
x-cache: HIT
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400
x-served-by: cache-fra-eddf8230130-FRA
x-jsd-version-type: version
server: cloudflare
etag: W/"1096bd-DvZjCw7RhYu/N7+ZNWVG9tOZ04k"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=13ASCrfNY3%2Bz3bqzkbjs6rlqDbwwDhYKBC3c2ql%2F8lnncDO2lNZAydJcj7SnRNTEd8POrCZUK1tVLLf8jwuUQMQvUCLk45UFoXUYa%2FLmaw87OuG1atOZ3f5cSyrQH8YeJZcKOOyKcVihiVbmaB4%3D"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
access-control-expose-headers: *
cache-control: public, max-age=600, s-maxage=43200, stale-while-revalidate=600, stale-if-error=86400
timing-allow-origin: *
cf-ray: 863bb236ed836907-FRA

GET
H2 200 sodo-search.min.js Show response
cdn.jsdelivr.net/ghost/sodo-search@~1.1/umd/ 197 KB
66 KB 46ms
30ms Script
application/javascript 2606:4700::6810:5714
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://cdn.jsdelivr.net/ghost/sodo-search@~1.1/umd/sodo-search.min.js

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:5714 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

73e90bca3350ae511b91bb029abfdc78760e164530c9cfd8f1f5e5d007a254b4

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

Referer: https://opencourse.kr/
Origin: https://opencourse.kr
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:10 GMT
strict-transport-security: max-age=31536000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age: 30673
x-jsd-version: 1.1.1
content-encoding: br
x-cache: HIT
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400
x-served-by: cache-fra-eddf8230060-FRA
x-jsd-version-type: version
server: cloudflare
etag: W/"313b2-PGFkfSo33Bwphw9PaHfsB1kMn/Y"
vary: Accept-Encoding
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https://opencourse.kr/cf-fonts/v/noto-sans-kr/5.0.17/105/wght/normal.woff2

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Protocol

Security

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Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

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Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

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Host: opencourse.kr
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Protocol

Security

QUIC, , AES_128_GCM

Server

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Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

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Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

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vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=AieXdogdZURxbQ%2BpyJDmZumpDHwkLxRwHtaf%2FrtDKhd9qIjpK3mjFLPVLlWZIrHbJB9UAlWtNjBY8v7q41o5wOSzcQjhS%2BVTy6aHDrS8Pm%2FiMNKQ7Ynsgbh%2BHX%2BX0eQo0kUt1mCBJ%2FCMXfer"}],"group":"cf-nel","max_age":604800}
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cf-ray: 863bb2373b92046e-FRA
priority: u=3,i

GET
H3 200 OIG--5-.jpg
opencourse.kr/content/images/2023/10/ 121 KB
122 KB 1264ms
1263ms Image
image/jpeg 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2023/10/OIG--5-.jpg

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

a0b0ddf027e12f33fbb626ef97d49af6197c83a39e1328ff3ea72e42ab74d4ec

Security Headers

Name	Value
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X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
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referrer-policy: same-origin
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server: cloudflare
etag: W/"1e492-18b5a1ed185"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=YIICmNeXCV6tMtriRQnAqKnwvR9QeJW79bsJ9uwI%2B2LVLztXJjtDSOMuUs%2FS1B1VbOw%2Fc5uF6JozNq6RXuJrbhaMGH4iEJLcagy%2Buhe7YBcHvIwfBJ6VxytWkwsD8Li09o%2FDjfIod7ED4fgS"}],"group":"cf-nel","max_age":604800}
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cf-ray: 863bb2373b94046e-FRA
priority: u=3,i

GET
H3 200 OIG--4-.jpg
opencourse.kr/content/images/2023/10/ 163 KB
164 KB 1275ms
1273ms Image
image/jpeg 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2023/10/OIG--4-.jpg

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Security Headers

Name	Value
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X-Content-Type-Options	nosniff
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
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last-modified: Mon, 23 Oct 2023 01:19:33 GMT
server: cloudflare
etag: W/"28ce1-18b5a1da2f4"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=SeI1xzi44f6EwFOezV%2F4WEdK8cDY5P%2F%2F64fJ6%2F%2B5qUV9QMuaBUNSrb3M86A3jzbzf20sPn7G0mTeFCYuMhjARI05SugZimB0PejQ2o241CAAXEJ8F9EhD3q3NKxHvr0cOplZ30VpDUIg5oEr"}],"group":"cf-nel","max_age":604800}
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cache-control: public, max-age=31536000
x-frame-options: SAMEORIGIN
accept-ranges: bytes
cf-ray: 863bb2373b97046e-FRA
priority: u=3,i

GET
H3 200 OIG--8-.jpg
opencourse.kr/content/images/2023/10/ 139 KB
139 KB 1276ms
1274ms Image
image/jpeg 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2023/10/OIG--8-.jpg

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

ba9435ecf2eab370708ba10b053df1a86a04c1d579ed3b8dbc448d680a2118bc

Security Headers

Name	Value
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X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
content-length: 141858
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referrer-policy: same-origin
last-modified: Mon, 23 Oct 2023 01:22:45 GMT
server: cloudflare
etag: W/"22a22-18b5a208f32"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=Fz5ROXDX91VbUXhdGjG6u%2BVJaLqJsA79p3B9%2BZSHPlSCmekWzt95VV4AyBt4OGvhyMPOtwbHX0167pqYkFbtW%2FvLN%2BFi6QuJvPPzfzvrGFEKP0mw%2Bjp4DZKwafdcF5Zhb%2F2U%2BwzviXbHoPy6"}],"group":"cf-nel","max_age":604800}
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cache-control: public, max-age=31536000
x-frame-options: SAMEORIGIN
accept-ranges: bytes
cf-ray: 863bb2373b98046e-FRA
priority: u=3,i

GET
H3 200 OIG--6-.jpg
opencourse.kr/content/images/2023/10/ 158 KB
159 KB 1293ms
1291ms Image
image/jpeg 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2023/10/OIG--6-.jpg

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

4f34e7427e4099d848ee2a23c7437359eea721947dbaa46e94b0089684f09244

Security Headers

Name	Value
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X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
content-length: 161893
x-xss-protection: 1; mode=block
referrer-policy: same-origin
last-modified: Mon, 23 Oct 2023 01:19:55 GMT
server: cloudflare
etag: W/"27865-18b5a1df950"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=z28d5tfZDtJ3l%2B01TEDyfn%2F9QG74QzNX3FZRjOwgrQdaWeCl1RLCAeQ4Ai6LE12V0pNs%2F%2Byzynjpa2QW5pOGXOXU%2FCnVcXvzBx46RyIA1lvf58Td6nrLv2t26F7zrcoe48x6GatUwW%2F%2Bb%2BDj"}],"group":"cf-nel","max_age":604800}
content-type: image/jpeg
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cache-control: public, max-age=31536000
x-frame-options: SAMEORIGIN
accept-ranges: bytes
cf-ray: 863bb2373b9a046e-FRA
priority: u=3,i

GET
H3 200 OIG--9--3.jpg
opencourse.kr/content/images/2023/10/ 149 KB
150 KB 1276ms
1274ms Image
image/jpeg 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2023/10/OIG--9--3.jpg

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

d9a40335f618ccb17a4447e6053907e74724b97ea96dde967b17a029e0cc2454

Security Headers

Name	Value
Strict-Transport-Security	max-age=15552000; includeSubDomains; preload
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
content-length: 152630
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referrer-policy: same-origin
last-modified: Mon, 23 Oct 2023 03:04:07 GMT
server: cloudflare
etag: W/"25436-18b5a7d600d"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=f6NjzjUxbNpekfr3saRBkGNVNfzKZZouqnVK%2B5bfxENTC6ghRCm1o0sIDK9gS%2FdCipRt%2FfdTPctjCilW6tJvnXWBhzcvKq6HT5AHZ4MOV0uYhuHlQIMuZbqXzuhJ73VHEUDViFHBIPpFuGuN"}],"group":"cf-nel","max_age":604800}
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cache-control: public, max-age=31536000
x-frame-options: SAMEORIGIN
accept-ranges: bytes
cf-ray: 863bb2373b9c046e-FRA
priority: u=3,i

GET
H3 200 _62ecf4eb-8d15-4212-bc3e-4136377f5e87.jpg
opencourse.kr/content/images/2023/11/ 178 KB
178 KB 1270ms
1268ms Image
image/jpeg 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2023/11/_62ecf4eb-8d15-4212-bc3e-4136377f5e87.jpg

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Security Headers

Name	Value
Strict-Transport-Security	max-age=15552000; includeSubDomains; preload
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
content-length: 182173
x-xss-protection: 1; mode=block
referrer-policy: same-origin
last-modified: Fri, 17 Nov 2023 03:01:53 GMT
server: cloudflare
etag: W/"2c79d-18bdb3a500e"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=pYIT12ll03HhXG0XbHZx6icxyUNGQDK63ErxpdbBzRN0fzzNaALRQSeCJHTQPzFb4VFESUPS0%2FTBDWg%2BdTracTjKILOckkm9OCEQXkeW5kmgxDHzElYzqLxm9V2%2FbdrNkqRmvkufmU%2F6F7tc"}],"group":"cf-nel","max_age":604800}
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x-frame-options: SAMEORIGIN
accept-ranges: bytes
cf-ray: 863bb2373b9f046e-FRA
priority: u=3,i

GET
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opencourse.kr/content/images/2023/10/ 129 KB
130 KB 1277ms
1275ms Image
image/jpeg 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2023/10/OIG.MbtRd3Tz4wIfXb4yIY.jpg

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

172dfed8064899981fa9ce462d14523ba47cbe2772cf9e36285011581c503a4f

Security Headers

Name	Value
Strict-Transport-Security	max-age=15552000; includeSubDomains; preload
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
content-length: 132177
x-xss-protection: 1; mode=block
referrer-policy: same-origin
last-modified: Mon, 23 Oct 2023 01:26:33 GMT
server: cloudflare
etag: W/"20451-18b5a240a93"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=VmCy8lsXCSHK8wwqo%2BCNOTTUmX55d0NjfnAo04seZXxlQOwSD8dN99B3xx%2Bk0MMoZQ2YMPVZBGwUc5kxmZCC%2Fmr1Mxu3hbkqSLfeA9g4s%2BTyQex7OZpRW0E%2BkiBpDnj4rD0C1SvOXGZIE7gf"}],"group":"cf-nel","max_age":604800}
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cache-control: public, max-age=31536000
x-frame-options: SAMEORIGIN
accept-ranges: bytes
cf-ray: 863bb2373ba1046e-FRA
priority: u=3,i

GET
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opencourse.kr/content/images/2023/11/ 121 KB
122 KB 1277ms
1276ms Image
image/jpeg 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2023/11/_fa67175c-419f-454a-bbbd-b0d6a1c8197c.jpg

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

d578f7c224c9e7f5a82441eaa4c6211c970ad9c9b815e9281d6949963676265b

Security Headers

Name	Value
Strict-Transport-Security	max-age=15552000; includeSubDomains; preload
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
content-length: 124055
x-xss-protection: 1; mode=block
referrer-policy: same-origin
last-modified: Fri, 17 Nov 2023 03:09:06 GMT
server: cloudflare
etag: W/"1e497-18bdb40ea35"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=gDU%2B3IjhftEZo57bo0T6dRVYkcD08eHs%2Fv3YpbvkeECYBUOhWD4m6eMbzj0quXDoaLDKk18ugRHnarIvH0mhfwikoVP2eU1Ag1nMron1THLkl0ejC856MMAJXgyPfQSKIAJQjq7JWvFvbQax"}],"group":"cf-nel","max_age":604800}
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cache-control: public, max-age=31536000
x-frame-options: SAMEORIGIN
accept-ranges: bytes
cf-ray: 863bb2373ba4046e-FRA
priority: u=3,i

GET
H3 200 IMG_7846.JPG
opencourse.kr/content/images/2024/03/ 288 KB
289 KB 1291ms
1290ms Image
image/jpeg 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2024/03/IMG_7846.JPG

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

5d4b36fc03f400e96af008fe2e49650e2072938bb4490e5bd97770213e714884

Security Headers

Name	Value
Strict-Transport-Security	max-age=15552000; includeSubDomains; preload
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
content-length: 295368
x-xss-protection: 1; mode=block
referrer-policy: same-origin
last-modified: Mon, 04 Mar 2024 04:03:02 GMT
server: cloudflare
etag: W/"481c8-18e07a11998"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=dNioSJuYfQAvegvzzhJFtMHQhu7ebGPq5SfUwGUT9P1iK2uKuat%2Bx1Mded6kLNlBqFRaOSySoklWeEL3Z5OB43YrvckfU7S3M0B1I4AsTmTzLgDzBoqIETggZ3%2BdESGAoR3wg0d54RqrvtvG"}],"group":"cf-nel","max_age":604800}
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GET
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74 KB 1281ms
1279ms Image
image/jpeg 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2024/01/IMG_8030.jpeg

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Security Headers

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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
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server: cloudflare
etag: W/"12406-18d196f9697"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=Zjj9c6gM7Ijax0Y3GCcrGUbDSNj58RMAA7P4Ngyss7n0nRquLb9lCtN6HmITHmBS%2BaaFMcZH9a3EvnFdzDn4oR4s7tIJR%2BsGRYLSRzhsTZ3d9QfVcqEMtAF%2F4K2dM6CYLzyZXTYFxUQ6QDQb"}],"group":"cf-nel","max_age":604800}
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GET
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477 KB 1278ms
1277ms Image
image/png 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2023/12/2023-12-31-04-39-11-1.png

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Security Headers

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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
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server: cloudflare
etag: W/"77359-18cbc435e59"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=uCZ1zg5xbdw4QF2s%2BZojoY6PnnIFml59cm%2Frs%2Fb518gaMR9rrogTw7ZsHwA2n2EX%2F%2BJ7PiyLPyvmKZPiWLEd4eEtG45S%2FJ%2BkIvLZJJMGn74%2BbWcrfzcBa2jhTecph0eDz%2Fi%2Fut1YqxD%2BVTfi"}],"group":"cf-nel","max_age":604800}
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GET
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opencourse.kr/content/images/2023/12/ 345 KB
345 KB 1267ms
1266ms Image
image/jpeg 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2023/12/IMG_7021.jpeg

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Security Headers

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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
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server: cloudflare
etag: W/"56306-18ca5b60989"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
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GET
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116 KB 1308ms
1307ms Image
image/jpeg 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2023/12/IMG_6850.JPEG

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Security Headers

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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
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referrer-policy: same-origin
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server: cloudflare
etag: W/"1cf82-18c7ad7442a"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=IIZx5rOjogh5Vfyo1ER4CBWKC7EyUHd6riT7eAImUIIqBu2o6ORmWVvjRV9th79nRx7R9uhG%2Fh954DOOgvbPu8VBVTPnomwNzs0JyLdXXGJSapaeKB2wDgv%2BRi2rLeY2iPKwiS1ZV0TcPohM"}],"group":"cf-nel","max_age":604800}
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GET
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opencourse.kr/content/images/2023/12/ 1 MB
1 MB 1301ms
1299ms Image
image/png 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2023/12/IMG_6753.PNG

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Security Headers

Name	Value
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
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server: cloudflare
etag: W/"15ca9e-18c6b753919"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=4UEqrj6Dp6ljzmvF5EfLWXPhI7FA0iAirIgcFWQ9FAI5mD4ihmzbJlUsxTpHE4Dktv%2BvhTc0weXR7%2F0IskzHflgP3iFIaTiFUMOgj6hjKxYjtE7S4fnsxngMa0%2FI%2B2B7vHMjc5Ln9JPRiayP"}],"group":"cf-nel","max_age":604800}
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cf-ray: 863bb2373bb0046e-FRA
priority: u=3,i

GET
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opencourse.kr/content/images/2023/12/ 127 KB
128 KB 1257ms
1256ms Image
image/jpeg 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2023/12/IMG_6533.JPG

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Security Headers

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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
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server: cloudflare
etag: W/"1fccb-18c5c06c53e"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
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GET
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opencourse.kr/content/images/2023/11/ 102 KB
102 KB 1299ms
1298ms Image
image/jpeg 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2023/11/2023112215174200.jpg

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Security Headers

Name	Value
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
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server: cloudflare
etag: W/"19721-18bf5bdca00"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
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cf-ray: 863bb2373bb2046e-FRA
priority: u=3,i

GET
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139 KB 1281ms
1280ms Image
image/jpeg 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://opencourse.kr/content/images/2023/11/IMG_5632.JPEG

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Security Headers

Name	Value
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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
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referrer-policy: same-origin
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server: cloudflare
etag: W/"228d5-18bf01754bb"
expect-ct: max-age=86400, enforce
vary: Accept-Encoding
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x-frame-options: SAMEORIGIN
accept-ranges: bytes
cf-ray: 863bb2373bb3046e-FRA
priority: u=3,i

GET
H3 204 /
opencourse.kr/members/api/member/ 0
0 739ms
739ms Fetch 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://opencourse.kr/members/api/member/

Requested by

Host: cdn.jsdelivr.net
URL: https://cdn.jsdelivr.net/ghost/portal@~2.36/umd/portal.min.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

Security Headers

Name	Value
Strict-Transport-Security	max-age=15552000; includeSubDomains; preload
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc: h3=":443"; ma=86400
x-xss-protection: 1; mode=block
referrer-policy: same-origin
server: cloudflare
expect-ct: max-age=86400, enforce
x-frame-options: SAMEORIGIN
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=a6bcqkOxfzQp7WGJJ4xSRq4yXilclezejfeGwAIRorTBAZ2IW6a7aoierk%2BkpZsZcjSsSijILaUhn0SxBXuVLNYZPq413t4T2GQJ8lxL4R6h4hI163XZ7%2FsCfPO%2FYet4NkSgICa6ymPZ7kv9"}],"group":"cf-nel","max_age":604800}
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cf-ray: 863bb237fc8b046e-FRA
priority: u=1,i

GET
H3 200 show_ads_impl_with_ama_fy2021.js Show response
pagead2.googlesyndication.com/pagead/managed/js/adsense/m202403070101/ 405 KB
138 KB 91ms
73ms Script
text/javascript 2a00:1450:4001:80b::2002
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https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202403070101/show_ads_impl_with_ama_fy2021.js?client=ca-pub-3553523371446563&plah=opencourse.kr&aplac=true

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Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-3553523371446563

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:80b::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

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Security Headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:10 GMT
content-encoding: br
x-content-type-options: nosniff
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expires: Wed, 13 Mar 2024 11:31:10 GMT

GET
H2 200 zrt_lookup_fy2021.html Show response
googleads.g.doubleclick.net/pagead/html/r20240311/r20190131/ Frame 0A4B 9 KB
4 KB 28ms
7ms Document
text/html 2a00:1450:4001:82a::2002
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https://googleads.g.doubleclick.net/pagead/html/r20240311/r20190131/zrt_lookup_fy2021.html

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Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-3553523371446563

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:82a::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

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accept-language: de-DE,de;q=0.9

Response headers

age: 6610
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control: public, max-age=1209600
content-encoding: br
content-length: 4155
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date: Wed, 13 Mar 2024 09:41:00 GMT
etag: 5035419970550746386
expires: Wed, 27 Mar 2024 09:41:00 GMT
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server: cafe
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vary: Accept-Encoding
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GET
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opencourse.kr/content/images/2023/11/ 275 KB
275 KB 1256ms
1255ms Image
image/jpeg 2606:4700:3033::6815:5e03
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https://opencourse.kr/content/images/2023/11/IMG_5572.JPEG

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Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

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cloudflare /

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Response headers

date: Wed, 13 Mar 2024 11:31:12 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
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opencourse.kr/content/images/2023/11/ 276 KB
277 KB 1265ms
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image/jpeg 2606:4700:3033::6815:5e03
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https://opencourse.kr/content/images/2023/11/IMG_4683.JPG

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Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

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2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

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date: Wed, 13 Mar 2024 11:31:12 GMT
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GET
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opencourse.kr/content/images/2023/11/ 109 KB
110 KB 1261ms
1261ms Image
image/jpeg 2606:4700:3033::6815:5e03
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https://opencourse.kr/content/images/2023/11/OIG--1-.jpg

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Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:12 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
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GET
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fundingchoicesmessages.google.com/f/ 370 KB
59 KB 116ms
116ms Script
application/javascript 2a00:1450:4001:813::200e
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https://fundingchoicesmessages.google.com/f/AGSKWxXlcLZyqrEfNmdjr8799uOnFAP9QQ7727eYt-aPlFoB17DKlPry-cqnAJZOvKFYl7tHWWm7-vmU6heLmxNMYw1FM9zs1fYIRbGaG_sK_Db83Tp_pup-jYv4K9jW7nMntjufo3Z3Uw==?fccs=W251bGwsbnVsbCxudWxsLG51bGwsbnVsbCxudWxsLFsxNzEwMzI5NDcwLDg2MTAwMDAwMF0sbnVsbCxudWxsLG51bGwsW251bGwsWzddXSwiaHR0cHM6Ly9vcGVuY291cnNlLmtyLyIsbnVsbCxbWzgsInM3aGlHcm9NdnhVIl0sWzksImRlIl0sWzIwLCJbbnVsbCxudWxsLFs5NTMyNzA4MF0sbnVsbCwxNl0iXSxbMTksIjEiXSxbMTcsIlswXSJdXV0

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Host:
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Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Reverse DNS

Software

ESF /

Resource Hash

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Response headers

date: Wed, 13 Mar 2024 11:31:10 GMT
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expires: Mon, 01 Jan 1990 00:00:00 GMT

GET
H3 200 ca-pub-3553523371446563 Show response
fundingchoicesmessages.google.com/i/ 183 KB
60 KB 47ms
47ms Script
application/javascript 2a00:1450:4001:813::200e
GOOGLE

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https://fundingchoicesmessages.google.com/i/ca-pub-3553523371446563?ers=2

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Host: pagead2.googlesyndication.com
URL: https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202403070101/show_ads_impl_with_ama_fy2021.js?client=ca-pub-3553523371446563&plah=opencourse.kr&aplac=true

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:813::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

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Software

ESF /

Resource Hash

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Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
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vary: Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site
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expires: Mon, 01 Jan 1990 00:00:00 GMT

GET
H2 200 css
fonts.googleapis.com/ 107 KB
6 KB 50ms
29ms Stylesheet
text/css 2a00:1450:4001:803::200a
GOOGLE

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Host:
URL: /_/mss/boq-content-ads-contributor/_/js/k=boq-content-ads-contributor.ContributorServingResponseClientJs.de.s7hiGroMvxU.es5.O/d=1/exm=kernel_loader,loader_js_executable/ed=1/rs=AJlcJMyHNKihm5VfMYJhh0aMU_xD-xFKDQ/m=web_iab_tcf_v2_wall_executable

Protocol

Security

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2a00:1450:4001:803::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

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Security Headers

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Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

strict-transport-security: max-age=31536000
date: Wed, 13 Mar 2024 11:31:11 GMT
content-encoding: gzip
x-content-type-options: nosniff
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
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last-modified: Wed, 13 Mar 2024 11:31:11 GMT
server: ESF
cross-origin-opener-policy: same-origin-allow-popups
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content-type: text/css; charset=utf-8
access-control-allow-origin: *
cache-control: private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin: *
link: <https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires: Wed, 13 Mar 2024 11:31:11 GMT

GET
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lh3.googleusercontent.com/ 5 KB
5 KB 387ms
360ms Image
image/png 2a00:1450:4001:81c::2001
GOOGLE

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Show headers Download Go to Show image

Full URL

https://lh3.googleusercontent.com/3_sFy35K772UKGNfSIR_Mh42-8GxOGia5WOJZzqWUPR0gqswy_reSvO2bgzini0-nNbDOa34cE2KfmxWUHnSNLN6aKvBMpVls2uaKE__at1AlF39f40j=h60

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:81c::2001 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

fife /

Resource Hash

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Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
x-content-type-options: nosniff
server: fife
etag: "v1"
vary: Origin
content-type: image/png
access-control-allow-origin: *
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content-length: 4810
x-xss-protection: 0
expires: Thu, 14 Mar 2024 11:31:11 GMT

GET
H2 200 flUhRq6tzZclQEJ-Vdg-IuiaDsNc.woff2
fonts.gstatic.com/s/materialicons/v140/ 125 KB
126 KB 38ms
16ms Font
font/woff2 2a00:1450:4001:828::2003
GOOGLE

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Full URL

https://fonts.gstatic.com/s/materialicons/v140/flUhRq6tzZclQEJ-Vdg-IuiaDsNc.woff2

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:828::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

8265f64786397d6b832d1ca0aafdf149ad84e72759fffa9f7272e91a0fb015d1

Security Headers

Name	Value
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Request headers

Referer: https://opencourse.kr/
Origin: https://opencourse.kr
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 05:34:50 GMT
x-content-type-options: nosniff
age: 21381
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 128352
x-xss-protection: 0
last-modified: Tue, 07 Mar 2023 19:51:56 GMT
server: sffe
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content-type: font/woff2
access-control-allow-origin: *
cache-control: public, max-age=31536000
accept-ranges: bytes
timing-allow-origin: *
expires: Thu, 13 Mar 2025 05:34:50 GMT

GET
H2 200 memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-muw.woff2
fonts.gstatic.com/s/opensans/v40/ 47 KB
48 KB 29ms
7ms Font
font/woff2 2a00:1450:4001:828::2003
GOOGLE

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Full URL

https://fonts.gstatic.com/s/opensans/v40/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-muw.woff2

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:828::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

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Security Headers

Name	Value
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Request headers

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Origin: https://opencourse.kr
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Tue, 12 Mar 2024 00:50:53 GMT
x-content-type-options: nosniff
age: 124818
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 48236
x-xss-protection: 0
last-modified: Thu, 14 Dec 2023 02:08:40 GMT
server: sffe
cross-origin-opener-policy: same-origin; report-to="apps-themes"
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content-type: font/woff2
access-control-allow-origin: *
cache-control: public, max-age=31536000
accept-ranges: bytes
timing-allow-origin: *
expires: Wed, 12 Mar 2025 00:50:53 GMT

POST
H2 204 collect
region1.analytics.google.com/g/ 0
252 B 36ms
14ms Ping
text/plain 2001:4860:4802:32::36
GOOGLE

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Show headers Download Go to

Full URL: https://region1.analytics.google.com/g/collect?v=2&tid=G-FBSR55HTFQ&gtm=45je43b0v9100619752za200&_p=1710329470601&_gaz=1&gcd=13l3l3l2l1&npa=1&dma_cps=sypham&dma=1&tcfd=10001&cid=756143042.1710329471&ul=en-us&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&pscdl=noapi&_s=1&sid=1710329470&sct=1&seg=0&dl=https%3A%2F%2Fopencourse.kr%2F&dt=OpenCourse%20-%20%EC%98%A4%ED%94%88%EC%BD%94%EC%8A%A4&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&tfd=3285
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-FBSR55HTFQ
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

pragma: no-cache
date: Wed, 13 Mar 2024 11:31:11 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://opencourse.kr
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST
H2 204 collect
stats.g.doubleclick.net/g/ 0
243 B 59ms
21ms Ping
text/plain 2a00:1450:400c:c06::9d
GOOGLE

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Full URL: https://stats.g.doubleclick.net/g/collect?v=2&tid=G-FBSR55HTFQ&cid=756143042.1710329471&gtm=45je43b0v9100619752za200&aip=1&dma=1&dma_cps=sypham&gcd=13l3l3l2l1&npa=1
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-FBSR55HTFQ
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2a00:1450:400c:c06::9d Brussels, Belgium, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

pragma: no-cache
date: Wed, 13 Mar 2024 11:31:11 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://opencourse.kr
cache-control: no-cache, no-store, must-revalidate
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alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST
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fundingchoicesmessages.google.com/el/ 0
29 B 36ms
20ms XHR
text/html 2a00:1450:4001:813::200e
GOOGLE

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Full URL

https://fundingchoicesmessages.google.com/el/AGSKWxVR-rNAWqOWeC_zPzQfkuQr_CHHlBQ2GJ0Ta8PQL01ZUabpcDvXgHZE9c4sKuyGYuwiu8G3n2yutQSceCtJhL49Q2C4VoCM6qOe6aZBMNvMN8-DCmGhNB39eFSYX26j1OY9UhBvog==

Requested by

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:813::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

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Security Headers

Name	Value
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Request headers

Referer: https://opencourse.kr/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36
Content-Type: text/plain

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
content-security-policy: script-src 'report-sample' 'nonce-gD-Klb7D0kh0mTvyV7KDTA' 'unsafe-inline';object-src 'none';base-uri 'self';report-uri /_/ContributorLoggingHttp/cspreport;worker-src 'self', script-src 'unsafe-inline' 'self' https://apis.google.com https://ssl.gstatic.com https://www.google.com https://www.googletagmanager.com https://www.gstatic.com https://www.google-analytics.com;report-uri /_/ContributorLoggingHttp/cspreport/allowlist, require-trusted-types-for 'script';report-uri /_/ContributorLoggingHttp/cspreport
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server: ESF
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content-type: text/html; charset=utf-8
cache-control: no-cache, no-store, max-age=0, must-revalidate
access-control-allow-credentials: true
permissions-policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factor=*, ch-ua-platform=*, ch-ua-platform-version=*
x-frame-options: SAMEORIGIN
expires: Mon, 01 Jan 1990 00:00:00 GMT

GET
H2 200 ga-audiences
www.google.de/ads/ 42 B
408 B 56ms
32ms Image
image/gif 2a00:1450:4001:828::2003
GOOGLE

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Check archive.org

Show headers Download Go to Show image

Full URL

https://www.google.de/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&tid=G-FBSR55HTFQ&cid=756143042.1710329471&gtm=45je43b0v9100619752za200&aip=1&dma=1&dma_cps=sypham&gcd=13l3l3l2l1&npa=1&z=755034184

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:828::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

pragma: no-cache
date: Wed, 13 Mar 2024 11:31:11 GMT
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H3 200 / Show response
opencourse.kr/ghost/api/content/settings/ 6 KB
3 KB 281ms
281ms Fetch
application/json 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

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Show headers Download Go to

Full URL

https://opencourse.kr/ghost/api/content/settings/?key=93c6ca7c1ea2f28bfe2481ec18&limit=all

Requested by

Host: cdn.jsdelivr.net
URL: https://cdn.jsdelivr.net/ghost/portal@~2.36/umd/portal.min.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

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Security Headers

Name	Value
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X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

Referer: https://opencourse.kr/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36
Content-Type: application/json

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
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content-encoding: br
content-version: v5.75
alt-svc: h3=":443"; ma=86400
x-xss-protection: 1; mode=block
referrer-policy: same-origin
server: cloudflare
etag: W/"181a-HbQlnuk8PJ7VRa5+/XqWc3D5q8w"
expect-ct: max-age=86400, enforce
x-frame-options: SAMEORIGIN
vary: Accept-Version, Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=J5U0zAkS5qFtcd3DMbJVv9q3JDhykXOQ6m46A6zLXlYclq3fx7YAAjwmUYCkHZv6hpIYaaCT7LWgHPpxK8fgC7ndYXziMUiY7%2FLGb5hNaVLf9oQ4RRcnYckN024TZZdCkYVIs%2FGEdkCNdE5d"}],"group":"cf-nel","max_age":604800}
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access-control-allow-origin: *
cache-control: public, max-age=0
cf-ray: 863bb23c9a8a046e-FRA
priority: u=1,i

GET
H3 200 / Show response
opencourse.kr/ghost/api/content/tiers/ 700 B
924 B 755ms
755ms Fetch
application/json 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

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Show headers Download Go to

Full URL

https://opencourse.kr/ghost/api/content/tiers/?key=93c6ca7c1ea2f28bfe2481ec18&limit=all&include=monthly_price,yearly_price,benefits

Requested by

Host: cdn.jsdelivr.net
URL: https://cdn.jsdelivr.net/ghost/portal@~2.36/umd/portal.min.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

9475a0d48dd513f02069311b7b498531681859879121957b1f6ff292be36e81f

Security Headers

Name	Value
Strict-Transport-Security	max-age=15552000; includeSubDomains; preload
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

Referer: https://opencourse.kr/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36
Content-Type: application/json

Response headers

date: Wed, 13 Mar 2024 11:31:12 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding: br
content-version: v5.75
alt-svc: h3=":443"; ma=86400
x-xss-protection: 1; mode=block
referrer-policy: same-origin
server: cloudflare
etag: W/"2bc-L+opB4wdqsQSGxibFG0ALsrAR1A"
expect-ct: max-age=86400, enforce
x-frame-options: SAMEORIGIN
vary: Accept-Version, Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=6ng9WdZt8n4tewe2LzSi%2BiBUZwxjLuzTv%2FugJtqVOp%2BR%2F%2BcnGa%2BH%2BdWxKAOQgu%2B%2FtpseEu3pL%2Br%2BptlVhpQRyuSP6mHvqw2PMzbuAukCwFHM2wQHyxlbt7dlSJU%2FYy9KwyHND9grWp7C3NV5"}],"group":"cf-nel","max_age":604800}
content-type: application/json; charset=utf-8
access-control-allow-origin: *
cache-control: public, max-age=0
cf-ray: 863bb23c9a90046e-FRA
priority: u=1,i

GET
H3 200 / Show response
opencourse.kr/ghost/api/content/newsletters/ 475 B
962 B 753ms
753ms Fetch
application/json 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

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Full URL

https://opencourse.kr/ghost/api/content/newsletters/?key=93c6ca7c1ea2f28bfe2481ec18&limit=all

Requested by

Host: cdn.jsdelivr.net
URL: https://cdn.jsdelivr.net/ghost/portal@~2.36/umd/portal.min.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

3442b66ea7b055b1a8c1fbe0e4707db38c4403af72755aa5ea78d2927c4763c0

Security Headers

Name	Value
Strict-Transport-Security	max-age=15552000; includeSubDomains; preload
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

Referer: https://opencourse.kr/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36
Content-Type: application/json

Response headers

date: Wed, 13 Mar 2024 11:31:12 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: DYNAMIC
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding: br
content-version: v5.75
alt-svc: h3=":443"; ma=86400
x-xss-protection: 1; mode=block
referrer-policy: same-origin
server: cloudflare
etag: W/"1db-kcNnoqYRPyl48Nv5H/3o7Y2Cvz4"
expect-ct: max-age=86400, enforce
x-frame-options: SAMEORIGIN
vary: Accept-Version, Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=qCRUlILxU273D2BvZW3bXd9faNrXgb1%2B1QSHFfUy943oZaF0LnoEDxgLuDLGL7u7rtumg3KodOmpBiDA7yVrDQpaJpvIvU6AULOAX%2FQfdRU9BlgUBSfTVNqXnYVgX0RJ0rmwMTlcc%2Bh%2BMywR"}],"group":"cf-nel","max_age":604800}
content-type: application/json; charset=utf-8
access-control-allow-origin: *
cache-control: public, max-age=0
cf-ray: 863bb23c9a92046e-FRA
priority: u=1,i

GET
H3 200 s.js Show response
opencourse.kr/cdn-cgi/zaraz/ 6 KB
4 KB 19ms
18ms Script
text/javascript 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://opencourse.kr/cdn-cgi/zaraz/s.js?z=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

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

d85b2c070b02e37a55d37452fbf18dd79d1a5b8c9ab6c0ef80128cd6399d9970

Security Headers

Name	Value
Strict-Transport-Security	max-age=15552000; includeSubDomains; preload
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
strict-transport-security: max-age=15552000; includeSubDomains; preload
x-content-type-options: nosniff
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding: br
alt-svc: h3=":443"; ma=86400
x-xss-protection: 1; mode=block
referrer-policy: same-origin
server: cloudflare
expect-ct: max-age=86400, enforce
access-control-max-age: 600
vary: Origin, Accept-Encoding
access-control-allow-methods: GET, HEAD, POST, OPTIONS
access-control-allow-origin: https://opencourse.kr
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=8nEjmPSV4QalIMh%2B38qC40bn3hNbBiLo1xIBYdRJ61RSwDCBNlJgMn4jmS2RGqovjde9UboGThzKhBNOw1ceO7TIbMpu%2BtJZlrw4C%2BoujMdgK65137sDLGRNW4yF6vuH0fe%2BpNA98%2FwJ3fWh"}],"group":"cf-nel","max_age":604800}
content-type: text/javascript; charset=utf-8
x-frame-options: SAMEORIGIN
access-control-allow-credentials: true
x-robots-tag: none
access-control-allow-headers: Content-Type, Set-Cookie, Cache-Control
priority: u=3,i=?0
cf-ray: 863bb23d2b69046e-FRA

POST
H2 204 collect Show response
stats.g.doubleclick.net/g/ 0
45 B 19ms
18ms XHR
text/plain 2a00:1450:400c:c06::9d
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL: https://stats.g.doubleclick.net/g/collect?t=dc&aip=1&_r=3&v=1&_v=j86&tid=G-FBSR55HTFQ&cid=f9d59428-a208-4eb9-a2f8-5a22da54ffff&_u=KGDAAEADQAAAAC%7E&z=716354442
Requested by: Host: opencourse.kr
URL: https://opencourse.kr/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2a00:1450:400c:c06::9d Brussels, Belgium, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

pragma: no-cache
date: Wed, 13 Mar 2024 11:31:11 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://opencourse.kr
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 ga-audiences
www.google.com/ads/ 42 B
0 54ms
33ms Fetch
image/gif 2a00:1450:4001:80b::2004
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google.com/ads/ga-audiences?t=sr&aip=1&_r=4&v=1&_v=j86&tid=G-FBSR55HTFQ&cid=f9d59428-a208-4eb9-a2f8-5a22da54ffff&_u=KGDAAEADQAAAAC%7E&z=716354442&slf_rd=1

Requested by

Host: opencourse.kr
URL: https://opencourse.kr/cdn-cgi/zaraz/s.js?z=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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:80b::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

cafe /

Resource Hash

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://opencourse.kr/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

pragma: no-cache
date: Wed, 13 Mar 2024 11:31:11 GMT
x-content-type-options: nosniff
server: cafe
content-type: image/gif
p3p: policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
access-control-allow-origin: https://opencourse.kr
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
timing-allow-origin: *
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 42
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST
H3 204 rum Show response
opencourse.kr/cdn-cgi/ 0
139 B 16ms
16ms XHR
text/plain 2606:4700:3033::6815:5e03
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://opencourse.kr/cdn-cgi/rum?

Requested by

Host: static.cloudflareinsights.com
URL: https://static.cloudflareinsights.com/beacon.min.js/v84a3a4012de94ce1a686ba8c167c359c1696973893317

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3033::6815:5e03 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

Referer: https://opencourse.kr/
accept-language: de-DE,de;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36
content-type: application/json

Response headers

date: Wed, 13 Mar 2024 11:31:11 GMT
x-content-type-options: nosniff
server: cloudflare
vary: Origin
access-control-max-age: 86400
access-control-allow-methods: POST,OPTIONS
access-control-allow-origin: https://opencourse.kr
x-frame-options: DENY
access-control-allow-credentials: true
cf-ray: 863bb23d4ba5046e-FRA

Verdicts & Comments Add Verdict or Comment

80 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

10 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
.opencourse.kr/	1970-01-21 04:41:29	Name: _ga_FBSR55HTFQ Value: GS1.1.1710329470.1.0.1710329470.60.0.0
.opencourse.kr/	1970-01-21 04:41:29	Name: _ga Value: GA1.1.756143042.1710329471
.opencourse.kr/	1970-01-21 04:41:29	Name: google-analytics_v4_dPYf__engagementDuration Value: 0
.opencourse.kr/	1970-01-21 04:41:29	Name: google-analytics_v4_dPYf__engagementStart Value: 1710329471551
.opencourse.kr/	1970-01-21 04:41:29	Name: google-analytics_v4_dPYf__counter Value: 1
.opencourse.kr/	1970-01-20 19:05:31	Name: google-analytics_v4_dPYf__ga4sid Value: 271627109
.opencourse.kr/	1970-01-21 04:41:29	Name: google-analytics_v4_dPYf__session_counter Value: 1
.opencourse.kr/	1970-01-21 04:41:29	Name: google-analytics_v4_dPYf__ga4 Value: f9d59428-a208-4eb9-a2f8-5a22da54ffff
.opencourse.kr/	1970-01-21 04:41:29	Name: google-analytics_v4_dPYf___z_ga_audiences Value: f9d59428-a208-4eb9-a2f8-5a22da54ffff
.opencourse.kr/	1970-01-21 04:41:29	Name: google-analytics_v4_dPYf__let Value: 1710329471551

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header	Value
Strict-Transport-Security	max-age=15552000; includeSubDomains; preload
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	1; mode=block

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

cdn.jsdelivr.net
fonts.googleapis.com
fonts.gstatic.com
fundingchoicesmessages.google.com
googleads.g.doubleclick.net
lh3.googleusercontent.com
opencourse.kr
pagead2.googlesyndication.com
region1.analytics.google.com
static.cloudflareinsights.com
stats.g.doubleclick.net
www.google.com
www.google.de
www.googletagmanager.com
2001:4860:4802:32::36
2606:4700:3033::6815:5e03
2606:4700::6810:4f49
2606:4700::6810:5714
2a00:1450:4001:803::200a
2a00:1450:4001:80b::2002
2a00:1450:4001:80b::2004
2a00:1450:4001:80e::2008
2a00:1450:4001:813::200e
2a00:1450:4001:81c::2001
2a00:1450:4001:828::2003
2a00:1450:4001:82a::2002
2a00:1450:400c:c06::9d
058cf0973f5c6b75be5d2eeb13518595ef08559090b2d03754aa313c75ad66c8
064403abbbeed2c4c391f52a7804d0462f349baacce2938611c6eaf4b94f9bf7
09128c57ee36e35e49099bd6780b44821a5d45774b548628ea68eeacee1ab46b
0b144beb896e0d7612e0eeab489e4e682adac07cbc139924ce892bde3ccd3605
10ca09086940b0126c94da4a62ef04f8a0ae663029ac46197cf571bea464172f
168f601949ae9c0afdfa947f4ecaed5cdd622ec9507c56feb32f21a85a8b85d9
172dfed8064899981fa9ce462d14523ba47cbe2772cf9e36285011581c503a4f
1a61e6e320ec8fd9a765a3a1678653d393d5a39414cc1b2d03a2945c0590f005
1e68112eaa2612da3a554f98b9523cb7a47520767e846c93bc2c4f14072e0fe9
2416bee9f3448537dc09ed71cfbb9ba4d98629bb6b9f6ece40c8886a6af9513d
241db86da344a564bf4a7d970b6e967d0703872b007e604530d98d1f61ba31e5
2d449e637b075904cc67e0d04465f07f26ece882c54e46913598aa9e7c596a07
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3442b66ea7b055b1a8c1fbe0e4707db38c4403af72755aa5ea78d2927c4763c0
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3a9c88d0abaf18349a5c23e95ead5b61d7f9ad0329f75374a86d439fae4b68a9
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4f34e7427e4099d848ee2a23c7437359eea721947dbaa46e94b0089684f09244
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5949b6421d318e0222745865308fad4d0999b4e71e3d7c6afa423654df939aa4
5d4b36fc03f400e96af008fe2e49650e2072938bb4490e5bd97770213e714884
6153d13804862b0fc1c016cf1129f34cb7c6185f2cf4bf1a3a862eecdab50101
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6c7cb2c0aa73ec5e91c7332d3b768420096463ee78fc89d6290d357e86ec3838
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73e90bca3350ae511b91bb029abfdc78760e164530c9cfd8f1f5e5d007a254b4
748795ec4d0a2070e408e1857f1bde83c4de7a3d07abe370fed48c0dd8dbe3b2
7b9c762be52fed9737a319df953c29ad448a7713a31a4ba0f76ab15013512ee6
7cc08c5e29dbed553f02b34d9fa2a530b68d9501b64dcc35a70435c22e87b133
7ff1e972a93adf6eb674a60d87a3d36e18000e9993ac379d5caed92320ac077b
80d79fe18541923908bb66b25ef504ead5a01bdca4522c9a08ea2891f3553528
81172318faba70a04f62dbd04c4baece1a83c0f103e979740c0036fdf507b8de
8265f64786397d6b832d1ca0aafdf149ad84e72759fffa9f7272e91a0fb015d1
877193b4da6784ebffb024d84114806d6bdd94261d514fd144103e60b86376ca
8805cee3320e66251180c57637b3f7fe25f233984e1733fa5f87e24d88142abf
905294f5d28180922d1b5cb1e5c46c01157ef38b6d69c17ceb3b46ca0ccab863
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e0f85fdf8a295be9e4422ec94db3c72c652323892068e38ab1436787cdcfe650
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
ebb9f00fddb7fab37c3cd07d71fe6130eda290ce838e7f9e6c7bdb17cf6989f9
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
f2f4cfb4bee972bf9259d24f54557a63e01b260092c63d656f7b09a21f9e334b
f5c89418c4980af31bfb4770c77b665a66a13b34f1c30077f0a806b26272cd92
f7a79a24fde7da16131ae78f28277808766bedcbe1a6b156a6eefdd4f4b2f9fa
faeb40add89a7616c5fab553781f8704740a9618412310879a28be62342ddd16

opencourse.kr Open in urlscan Pro 2606:4700:3033::6815:5e03 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

83 Requests

100 %HTTPS

100 %IPv6

11 Domains

14 Subdomains

13 IPs

3 Countries

8108 kBTransfer

10842 kBSize

10 Cookies

6 Outgoing links

Page URL History

Redirected requests

83 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

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opencourse.kr Open in urlscan Pro
2606:4700:3033::6815:5e03 Public Scan

Screenshot
Live screenshot

Full Image

83
Requests

100 %
HTTPS

100 %
IPv6

11
Domains

14
Subdomains

13
IPs

3
Countries

8108 kB
Transfer

10842 kB
Size

10
Cookies

83 HTTP transactions
0 data transactions