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ncna20.kattis.com Open in urlscan Pro
2606:4700:20::ac43:4b5f  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://ncna20.kattis.com/
Effective URL: https://ncna20.kattis.com/
Submission Tags: falconsandbox
Submission: On March 01 via api from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 9 IPs in 3 countries across 7 domains to perform 27 HTTP transactions. The main IP is 2606:4700:20::ac43:4b5f, located in United States and belongs to CLOUDFLARENET, US. The main domain is ncna20.kattis.com.
TLS certificate: Issued by Cloudflare Inc ECC CA-3 on July 16th 2020. Valid for: a year.
This is the only time ncna20.kattis.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

7    2606:4700:20::ac43:4b5f (United States)

ASN13335 (CLOUDFLARENET, US)
ncna20.kattis.com
3    2a00:1450:4001:82b::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
ajax.googleapis.com
9    2606:4700::6810:125e (United States)

ASN13335 (CLOUDFLARENET, US)
cdnjs.cloudflare.com
1    2a00:1450:4001:800::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
2    2a04:4e42:3::621 (United States)

ASN54113 (FASTLY, US)
cdn.jsdelivr.net
1    2606:4700::6810:5f41 (United States)

ASN13335 (CLOUDFLARENET, US)
static.cloudflareinsights.com
1    2600:9000:20eb:dc00:2:bab6:d500:93a1 (United States)

ASN16509 (AMAZON-02, US)
static.site24x7rum.eu
3    2a00:1450:4001:810::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.gstatic.com
1    52.214.234.86 (Dublin, Ireland)

ASN16509 (AMAZON-02, US)
PTR: ec2-52-214-234-86.eu-west-1.compute.amazonaws.com
col.site24x7rum.eu
Domain Requested by
9 cdnjs.cloudflare.com ncna20.kattis.com
7 ncna20.kattis.com 1 redirects ncna20.kattis.com
static.cloudflareinsights.com
3 fonts.gstatic.com fonts.googleapis.com
3 ajax.googleapis.com ncna20.kattis.com
2 cdn.jsdelivr.net ncna20.kattis.com
1 col.site24x7rum.eu static.site24x7rum.eu
1 static.site24x7rum.eu ncna20.kattis.com
1 static.cloudflareinsights.com ncna20.kattis.com
1 fonts.googleapis.com ncna20.kattis.com
27 9

This site contains no links.

Subject Issuer Validity Valid
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2020-07-16 -
2021-07-16		 a year crt.sh
upload.video.google.com
GTS CA 1O1		 2021-01-26 -
2021-04-20		 3 months crt.sh
f3.shared.global.fastly.net
GlobalSign CloudSSL CA - SHA256 - G3		 2020-10-26 -
2021-04-17		 6 months crt.sh
*.site24x7rum.eu
Amazon		 2020-09-26 -
2021-10-28		 a year crt.sh
*.gstatic.com
GTS CA 1O1		 2021-01-26 -
2021-04-20		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://ncna20.kattis.com/
Frame ID: 3D9DF1FC71E2E9E582F63617D0D3E956
Requests: 27 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page URL History Show full URLs

  1. http://ncna20.kattis.com/ HTTP 302
    https://ncna20.kattis.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • html /<link[^>]+?href="[^"]*bootstrap(?:\.min)?\.css/i
Overall confidence: 100%
Detected patterns
  • headers server /^cloudflare$/i
Overall confidence: 100%
Detected patterns
  • html /<link[^>]* href=[^>]+(?:([\d.]+)\/)?(?:css\/)?font-awesome(?:\.min)?\.css/i
Overall confidence: 100%
Detected patterns
  • html /<link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com/i
Overall confidence: 100%
Detected patterns
  • script /\/([\d.]+)\/jquery(?:\.min)?\.js/i
  • script /jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?/i
  • script /([\d.]+)\/jquery-ui(?:\.min)?\.js/i
  • script /jquery-ui.*\.js/i
Overall confidence: 100%
Detected patterns
  • script /([\d.]+)\/jquery-ui(?:\.min)?\.js/i
  • script /jquery-ui.*\.js/i

Page Statistics

27
Requests

100 %
HTTPS

89 %
IPv6

7
Domains

9
Subdomains

9
IPs

3
Countries

322 kB
Transfer

1188 kB
Size

3
Cookies

Page URL History

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

  1. http://ncna20.kattis.com/ HTTP 302
    https://ncna20.kattis.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

27 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
ncna20.kattis.com/
Redirect Chain
  • http://ncna20.kattis.com/
  • https://ncna20.kattis.com/
12 KB
4 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:4b5f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
042defdf5136b8c0fd36b0ce7d07f9155e2010186ee9d33e139fa5a42e967dce

Request headers

:method
GET
:authority
ncna20.kattis.com
:scheme
https
:path
/
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site
none
sec-fetch-mode
navigate
sec-fetch-user
?1
sec-fetch-dest
document
accept-encoding
gzip, deflate, br
accept-language
en-US
cookie
__cfduid=ddbe6925cdc06a2135b0356e86a3a589e1614618292
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
content-type
text/html; charset=UTF-8
set-cookie
EduSiteCookie=ce82582a-2660-4087-8603-02b6f0e17ae5; path=/; domain=.kattis.com; secure; HttpOnly
expires
Thu, 19 Nov 1981 08:52:00 GMT
cache-control
no-store, no-cache, must-revalidate
pragma
no-cache
cf-cache-status
DYNAMIC
cf-request-id
08905908fb00002b35e1bb5000000001
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=kl6KepH1%2F6aL8%2FRUJdUpDu4Tdhb6kMfKeVhhRMeVCmACatMXsuzf3JFo1SD2Gx%2FjaAtR5VmboTY%2BFZRkD8PSC5wF%2F7mIaxl%2FzmxdFcIV7UAGMYtKS0G%2FSq6h4enJTA%3D%3D"}],"max_age":604800,"group":"cf-nel"}
nel
{"report_to":"cf-nel","max_age":604800}
server
cloudflare
cf-ray
6293f787fece2b35-FRA
content-encoding
br
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400

Redirect headers

Date
Mon, 01 Mar 2021 17:04:52 GMT
Content-Type
text/html
Transfer-Encoding
chunked
Connection
keep-alive
Set-Cookie
__cfduid=ddbe6925cdc06a2135b0356e86a3a589e1614618292; expires=Wed, 31-Mar-21 17:04:52 GMT; path=/; domain=.kattis.com; HttpOnly; SameSite=Lax
Location
https://ncna20.kattis.com/
CF-Cache-Status
DYNAMIC
cf-request-id
089059089400004e2bdb029000000001
Report-To
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=wN%2ByNbyIabGBmtSkEFipC97h5FRQ7ODhlJJ1qtVNpMmBTJ%2Fa1wxCaW8UGOcA41bw2c2ByD6RtE%2B4xsdDf3dUg3nefBZi6LBRDH%2BneHkYu6Hf%2B3Wouevsv27qKUgtUQ%3D%3D"}],"max_age":604800,"group":"cf-nel"}
NEL
{"report_to":"cf-nel","max_age":604800}
Server
cloudflare
CF-RAY
6293f7875e444e2b-FRA
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
jquery-ui.min.css
ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/base/ 		30 KB
7 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/base/jquery-ui.min.css
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
b0419faf03242236e04c1c062d52b7f011bf5f0222342fc4006f51cec7dd6ba0
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 26 Feb 2021 14:08:00 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
269813
cross-origin-resource-policy
cross-origin
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
7546
x-xss-protection
0
last-modified
Tue, 03 Mar 2020 19:15:00 GMT
server
sffe
vary
Accept-Encoding
content-type
text/css; charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=31536000, stale-while-revalidate=2592000
accept-ranges
bytes
timing-allow-origin
*
expires
Sat, 26 Feb 2022 14:08:00 GMT
jquery.min.js
ajax.googleapis.com/ajax/libs/jquery/3.5.1/ 		87 KB
30 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
f7f6a5894f1d19ddad6fa392b2ece2c5e578cbf7da4ea805b6885eb6985b6e3d
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 07:42:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
33715
cross-origin-resource-policy
cross-origin
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
31021
x-xss-protection
0
last-modified
Fri, 08 May 2020 07:05:03 GMT
server
sffe
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=31536000, stale-while-revalidate=2592000
accept-ranges
bytes
timing-allow-origin
*
expires
Tue, 01 Mar 2022 07:42:58 GMT
jquery-ui.min.js
ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/ 		248 KB
66 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
55accff7b642c2d7a402cbe03c1494c0f14a76bc03dee9d47d219562b6a152a5
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Sat, 27 Feb 2021 14:17:50 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
182823
cross-origin-resource-policy
cross-origin
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
67948
x-xss-protection
0
last-modified
Tue, 03 Mar 2020 19:15:00 GMT
server
sffe
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=31536000, stale-while-revalidate=2592000
accept-ranges
bytes
timing-allow-origin
*
expires
Sun, 27 Feb 2022 14:17:50 GMT
font-awesome.min.css
cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/ 		30 KB
6 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:125e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
799aeb25cc0373fdee0e1b1db7ad6c2f6a0e058dfadaa3379689f583213190bd
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"report_to":"cf-nel","max_age":604800}
age
2226797
cross-origin-resource-policy
cross-origin
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
5631
cf-request-id
0890590bdb00000742b79f8000000001
timing-allow-origin
*
last-modified
Mon, 04 May 2020 16:10:07 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03e5f-7918"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15780000
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=iv4xR%2BZpxJh0cYvMK%2F0Lt3JuRlhvTtXLED6Q9yd%2FO1tKEPWQaO4fTT4ayOi05YWaqQ0sFXS%2FPSagL7kIwR5RKGNV%2FsoyyrYnZ7fMFK9gdfMrhHEZfjfKZGK0JNXgD3jYKw%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css; charset=utf-8
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=30672000
accept-ranges
bytes
cf-ray
6293f78c987b0742-FRA
expires
Sat, 19 Feb 2022 17:04:53 GMT
css
fonts.googleapis.com/ 		26 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css?family=Open+Sans:400,300,300italic,400italic,600,600italic,700,800,700italic,800italic%7CMerriweather:400,400italic,700
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:800::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
b176c62d3c19a99680415d22da1346ee09deefb7ac18c363a46e9d3c1c249fb4
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
x-xss-protection
0
last-modified
Mon, 01 Mar 2021 17:04:53 GMT
server
ESF
date
Mon, 01 Mar 2021 17:04:53 GMT
x-frame-options
SAMEORIGIN
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
Mon, 01 Mar 2021 17:04:53 GMT
bootstrap.min.css
cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/css/ 		119 KB
16 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/css/bootstrap.min.css
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:125e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
6d92dfc1700fd38cd130ad818e23bc8aef697f815b2ea5face2b5dfad22f2e11
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"report_to":"cf-nel","max_age":604800}
age
4046086
cross-origin-resource-policy
cross-origin
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
16120
cf-request-id
0890590bdc00000742372eb000000001
timing-allow-origin
*
last-modified
Mon, 04 May 2020 16:17:20 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb04010-1da71"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15780000
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=mfDIvcV4bDUJ68MJvMuBSGIpWkQtMDnuGZtd0G9fJnlnNqY1xy0D%2B6vTlS%2Bh1JTXBpjPRgpD0YTdFLbxvKeUeNM5CWk19HoyiaMAqakeAUIr5HgoLxmlQCCdnyVeum0bKw%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css; charset=utf-8
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=30672000
accept-ranges
bytes
cf-ray
6293f78c987c0742-FRA
expires
Sat, 19 Feb 2022 17:04:53 GMT
bootstrap-datetimepicker.min.css
cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.47/css/ 		8 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.47/css/bootstrap-datetimepicker.min.css
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:125e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c8c8da579e363feab54671fa5c1c823c37d416198e69f59b78b3e6a8a875d73a
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"report_to":"cf-nel","max_age":604800}
age
4643696
cross-origin-resource-policy
cross-origin
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
1098
cf-request-id
0890590bdc0000074246268000000001
timing-allow-origin
*
last-modified
Mon, 04 May 2020 16:06:38 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03d8e-1e69"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15780000
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=EnaV2FE9my4Ci0cYYcM7ClL0XTPsZbUuxQ6UGDQxzs%2FvvHZjzEzFd%2Fj9Jz192xFi0xt4u%2Fy1or7tQCb%2BX7Vzg0io49I%2F0I733hWksOyUS7Vroig3JULFlzOvmUJWkqgTNw%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css; charset=utf-8
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=30672000
accept-ranges
bytes
cf-ray
6293f78c987d0742-FRA
expires
Sat, 19 Feb 2022 17:04:53 GMT
daterangepicker.css
cdn.jsdelivr.net/npm/daterangepicker/ 		8 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://cdn.jsdelivr.net/npm/daterangepicker/daterangepicker.css
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:3::621 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
94fdb66ec8fe748981a4f2090fdf4a2a0a3dbe5ace2e65c4ce46e95d692bdac7
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
age
15657
x-cache
HIT
cross-origin-resource-policy
cross-origin
content-length
1621
etag
W/"1f85-jqRIojRLzDZKkujJKC/BWFh0US4"
x-served-by
cache-fra19170-FRA
date
Mon, 01 Mar 2021 17:04:53 GMT
vary
Accept-Encoding
content-type
text/css; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
accept-ranges
bytes
timing-allow-origin
*
select2.css
cdnjs.cloudflare.com/ajax/libs/select2/3.5.4/ 		19 KB
3 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/select2/3.5.4/select2.css
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:125e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
64e0eb3a0695c47a2e389e27bb6124beccc7ef518ec8c4b0b5189dbf408ce8a2
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"report_to":"cf-nel","max_age":604800}
age
3436437
cross-origin-resource-policy
cross-origin
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
2730
cf-request-id
0890590bdc0000074291016000000001
timing-allow-origin
*
last-modified
Mon, 04 May 2020 16:16:11 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03fcb-4b17"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15780000
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=AV665gJlAuA69tgxPGBWhVq8KbixKBW%2B8jMR3Z6gzf1%2BIYW9Hqbr6CFeY13VsHvkQrfvLFfvDQOl1l0se85fMtvfvVmviX9HEz1YrH9AB9g1G3mO9rD9hf%2BRR6Jo7GN%2FiA%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css; charset=utf-8
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=30672000
accept-ranges
bytes
cf-ray
6293f78c987e0742-FRA
expires
Sat, 19 Feb 2022 17:04:53 GMT
system.css
ncna20.kattis.com/css/ 		67 KB
14 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://ncna20.kattis.com/css/system.css?03bf93=
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:4b5f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
383e0ec755673fc2bfd7328aa3af0c99c07c9fbf8117297d20ec8c2755795818

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
content-encoding
br
cf-cache-status
REVALIDATED
last-modified
Wed, 07 Oct 2020 20:45:11 GMT
server
cloudflare
etag
W/"5f7e28d7-10abe"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=CZo4HBSFU6tlQAOy%2BsEkuEJoajZ%2FXQ%2F5%2BQbqrgsYNgpyVIaFAOUnQRx4g0P4S%2F0YTc1hQb7xBMiG7jnByDPTze2KBMp%2FD%2F%2BRM3KEbDk3cAV5ZDR3z8XR6j%2FH0o1Yqw%3D%3D"}],"max_age":604800,"group":"cf-nel"}
content-type
text/css
nel
{"report_to":"cf-nel","max_age":604800}
cf-ray
6293f78c9d982b35-FRA
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
cf-request-id
0890590bdc00002b35e13a0000000001
site-logo
ncna20.kattis.com/images/ 		3 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://ncna20.kattis.com/images/site-logo
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:4b5f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
67ad70d4e26732c522c22808e1eb0c774dfbc51cd74ffd21f8edb57550e0a958
Security Headers
Name Value
Content-Security-Policy default-src 'none'
X-Content-Type-Options nosniff

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
x-content-type-options
nosniff
cf-cache-status
DYNAMIC
nel
{"report_to":"cf-nel","max_age":604800}
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
cf-request-id
0890590c4b00002b35cabc5000000001
pragma
cache
server
cloudflare
etag
200f9ac2e8f894fa7119399bfd31094d
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=pqcDCtxYuaAAByWcdlAdeAs%2FJS5ICzviUEhnDgcdWuVPXi7ieakt8DjVrZPrv8qKfRveKzV5PpXK3TH0NcuL%2B4xcfnThVcRTEkH9KIqSZtlYg55DW30Hk5QBQlMBvw%3D%3D"}],"max_age":604800,"group":"cf-nel"}
content-type
image/png; charset=binary
cache-control
public, max-age=86400
content-security-policy
default-src 'none'
cf-ray
6293f78d4ec02b35-FRA
expires
Tue, 02 Mar 2021 17:04:53 GMT
bootstrap.min.js
cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/js/ 		39 KB
10 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/js/bootstrap.min.js
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:125e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9ee2fcff6709e4d0d24b09ca0fc56aade12b4961ed9c43fd13b03248bfb57afe
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"report_to":"cf-nel","max_age":604800}
age
4045964
cross-origin-resource-policy
cross-origin
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
9687
cf-request-id
0890590bff000007423e90a000000001
timing-allow-origin
*
last-modified
Mon, 04 May 2020 16:17:20 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb04010-9b00"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15780000
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=0qerk9iCPlMsXevnb5XOtHaRD4Ho%2FZyzVpdR5lcEZvvWa4olWEqEtm2USLWCzixDqO6lQW5tsVQ5BXJRY7ve4r5pHed1M9a1inq7pWofCFD8yCgjSRNk7Fc6XUhzYoO3tQ%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=30672000
accept-ranges
bytes
cf-ray
6293f78cc8c10742-FRA
expires
Sat, 19 Feb 2022 17:04:53 GMT
moment.min.js
cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/ 		52 KB
16 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment.min.js
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:125e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e22419e8154be2a34a950dbb4c4c448413751c53ef02f00c6c56af28aa2c4964
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"report_to":"cf-nel","max_age":604800}
age
1613313
cross-origin-resource-policy
cross-origin
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
15508
cf-request-id
0890590c0e000007424626b000000001
timing-allow-origin
*
last-modified
Mon, 04 May 2020 16:13:26 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03f26-d04c"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15780000
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=%2B%2BGeM0kEkzT00Yyo3q5P7IWKiEHc6sNOzuf85QLkh5gPbpNoj7OTxyFS%2BUQtQ9LOBDHO2oDNGG15GYLjDL2uMK1zSFSusZDj6Ax0hZWsSWjfNMou76cQJx51ygUKUdWXaQ%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=30672000
accept-ranges
bytes
cf-ray
6293f78ce8dc0742-FRA
expires
Sat, 19 Feb 2022 17:04:53 GMT
bootstrap-datetimepicker.min.js
cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.47/js/ 		38 KB
9 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.47/js/bootstrap-datetimepicker.min.js
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:125e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e5899ac40c0c8c8a4cad594af3863ff8d8c2a4a9c561af1b59605b50748119f5
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"report_to":"cf-nel","max_age":604800}
age
3440685
cross-origin-resource-policy
cross-origin
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
8389
cf-request-id
0890590c1b00000742853f3000000001
timing-allow-origin
*
last-modified
Mon, 04 May 2020 16:06:38 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03d8e-966e"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15780000
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=4my7bZOP8%2Fjh8W4KqnF5b%2FWK57WZffFr3YO2YznjDlAoaN9Ncn2PQbOIBGNNjvmnDLPBSZQ1cL%2BznoYrSnazPUdrEz88UnoydbwKNvHNSvkof1oXnmV%2B4MvmrN6RDXw5Sw%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=30672000
accept-ranges
bytes
cf-ray
6293f78cf8f80742-FRA
expires
Sat, 19 Feb 2022 17:04:53 GMT
daterangepicker.min.js
cdn.jsdelivr.net/npm/daterangepicker/ 		32 KB
7 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.jsdelivr.net/npm/daterangepicker/daterangepicker.min.js
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:3::621 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
98578d9e429bafe2edbd9d00271e88a85fa457ead4c106485d157fd955b5f2de
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
age
4168
x-cache
HIT
cross-origin-resource-policy
cross-origin
content-length
7409
etag
W/"7f60-yn4DlHkED3KaP/biww3JCbN4kvM"
x-served-by
cache-fra19170-FRA
date
Mon, 01 Mar 2021 17:04:53 GMT
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=604800, s-maxage=43200
accept-ranges
bytes
timing-allow-origin
*
select2.min.js
cdnjs.cloudflare.com/ajax/libs/select2/3.5.4/ 		68 KB
16 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/select2/3.5.4/select2.min.js
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:125e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ec0d8c0d8d9e192494be07dbb87d48773624f2a904777bb3c225c00ea3c376d6
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"report_to":"cf-nel","max_age":604800}
age
4047986
cross-origin-resource-policy
cross-origin
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
16233
cf-request-id
0890590c3300000742ab0e2000000001
timing-allow-origin
*
last-modified
Mon, 04 May 2020 16:16:11 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03fcb-111fe"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15780000
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=dczpnwW8wAPS3YG4xuf9uq3ptY60WuWufaFbmkgobhXLJ16i6e0KCMqFJICDCBsG46xM2iwwkfVV24hJnBhGMv2l8OCr0vuomCyytHXypWWXzNTuNOMJosRI5h1xrXWpWQ%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=30672000
accept-ranges
bytes
cf-ray
6293f78d19220742-FRA
expires
Sat, 19 Feb 2022 17:04:53 GMT
raphael.min.js
cdnjs.cloudflare.com/ajax/libs/raphael/2.2.8/ 		91 KB
28 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/raphael/2.2.8/raphael.min.js
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:125e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0609b067a8f4e38b77182421989b698879141956338daa5c1968c11f87559deb
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"report_to":"cf-nel","max_age":604800}
age
5661283
cross-origin-resource-policy
cross-origin
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
28490
cf-request-id
0890590c4100000742880a3000000001
timing-allow-origin
*
last-modified
Mon, 04 May 2020 16:15:48 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03fb4-16bf0"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15780000
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=XErMVFu9fqgmv5PGiPbIQNiYfCDXPHY9E9OOXbkPExb5JFXpcaTU9bnSNEyVUpWyxyP2jAClvAHfgBo2GvdAyK8q4H%2FFfOBMLRfvJQZhT1fh2xDfLPHn5ajfYrABMitmJw%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=30672000
accept-ranges
bytes
cf-ray
6293f78d394a0742-FRA
expires
Sat, 19 Feb 2022 17:04:53 GMT
system.js
ncna20.kattis.com/js/ 		100 KB
27 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://ncna20.kattis.com/js/system.js?d86be2=
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:4b5f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8bfb1872dd1bd3cb949c53299e9eca87be83b0622a55e6007900d11f2099c0d1

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
content-encoding
br
cf-cache-status
MISS
last-modified
Wed, 07 Oct 2020 20:45:11 GMT
server
cloudflare
etag
W/"5f7e28d7-18eb9"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=bUYlt6%2FNMUPeumwge53DYZfCPypoE0E0tRip1J7cE65iMwltQ5suHgOXc0j0%2B4sBKdqbtK7CkIln269OKRsg6nuKuc%2FRj6Zbtt3WWuZuIP%2FPPLs04LlcWiefc%2F84wQ%3D%3D"}],"max_age":604800,"group":"cf-nel"}
content-type
application/javascript
nel
{"report_to":"cf-nel","max_age":604800}
cf-ray
6293f78d3eb12b35-FRA
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
cf-request-id
0890590c4500002b3524246000000001
beacon.min.js
static.cloudflareinsights.com/ 		13 KB
5 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://static.cloudflareinsights.com/beacon.min.js
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:5f41 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b426c6bd8d3fa03a9c575fda5ce95829e721e4e47ecc33185c1be4e77528c784

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
content-encoding
gzip
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
*
cross-origin-resource-policy
cross-origin
cf-ray
6293f78d6c144e8c-FRA
cf-request-id
0890590c5c00004e8cdd155000000001
site24x7rum-min.js
static.site24x7rum.eu/beacon/ 		71 KB
19 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://static.site24x7rum.eu/beacon/site24x7rum-min.js?appKey=a854f3a6dd7ee5e3b7d1641570b79c34
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:20eb:dc00:2:bab6:d500:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
ZGS /
Resource Hash
d6b386d9a26ecb499cd3bf8e9685677b6daff5366e8591a7ce9ded6d2f7190f7

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 16:17:53 GMT
content-encoding
gzip
server
ZGS
age
2820
vary
accept-encoding
x-cache
Hit from cloudfront
content-type
application/javascript;charset=ISO-8859-1
access-control-allow-origin
*
x-amz-cf-pop
FRA2-C1
x-amz-cf-id
YYm-itnTy86sIDisaGKohoToloTstLnus4ZakswKVCnhuyeEMPBr8w==
via
1.1 2bbba694ff55d664208103e9c25dce14.cloudfront.net (CloudFront)
kattis-grain.png
ncna20.kattis.com/images/site/content/ 		3 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://ncna20.kattis.com/images/site/content/kattis-grain.png
Requested by
Host: ncna20.kattis.com
URL: https://ncna20.kattis.com/css/system.css?03bf93=
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:4b5f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
eca23b6a59f422e9af3afdf1a7111316588add6160aeb4e7a090dcec4cfa84f9

Request headers

Referer
https://ncna20.kattis.com/css/system.css?03bf93=
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
cf-cache-status
REVALIDATED
last-modified
Sat, 16 Sep 2017 19:55:18 GMT
server
cloudflare
etag
"59bd81a6-c33"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=mB2ywJbkAg4TaOInuS2H9x%2BKF9U05PPiEy4BOV9qlPc%2BYNKzPaiOSdW4IWwW7u5Au24Yq6kI9n78FnRJepAPiHKh%2BY1hf6U2LUiSMqq62C3VKwRAU0UtsRZK%2BovWYQ%3D%3D"}],"max_age":604800,"group":"cf-nel"}
content-type
image/png
nel
{"report_to":"cf-nel","max_age":604800}
accept-ranges
bytes
cf-ray
6293f78d4ecb2b35-FRA
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
3123
cf-request-id
0890590c4f00002b35f01dc000000001
mem5YaGs126MiZpBA-UNirkOUuhpKKSTjw.woff2
fonts.gstatic.com/s/opensans/v18/ 		9 KB
9 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/opensans/v18/mem5YaGs126MiZpBA-UNirkOUuhpKKSTjw.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Open+Sans:400,300,300italic,400italic,600,600italic,700,800,700italic,800italic%7CMerriweather:400,400italic,700
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:810::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
b8e23a845bc6b7fd417d29182e0e38d353e64b5e12e06bb1de2b5ce063db1dcc
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Origin
https://ncna20.kattis.com
Referer
https://fonts.googleapis.com/css?family=Open+Sans:400,300,300italic,400italic,600,600italic,700,800,700italic,800italic%7CMerriweather:400,400italic,700
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 23 Feb 2021 13:55:06 GMT
x-content-type-options
nosniff
last-modified
Tue, 15 Sep 2020 18:09:49 GMT
server
sffe
age
529787
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
9180
x-xss-protection
0
expires
Wed, 23 Feb 2022 13:55:06 GMT
mem5YaGs126MiZpBA-UN7rgOUuhpKKSTjw.woff2
fonts.gstatic.com/s/opensans/v18/ 		9 KB
9 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/opensans/v18/mem5YaGs126MiZpBA-UN7rgOUuhpKKSTjw.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Open+Sans:400,300,300italic,400italic,600,600italic,700,800,700italic,800italic%7CMerriweather:400,400italic,700
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:810::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
a48a6e4b14fe55f750c0a3dfb5a6f4941bdc06af0aa542b90de25c30c2b4625c
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Origin
https://ncna20.kattis.com
Referer
https://fonts.googleapis.com/css?family=Open+Sans:400,300,300italic,400italic,600,600italic,700,800,700italic,800italic%7CMerriweather:400,400italic,700
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Thu, 25 Feb 2021 19:41:26 GMT
x-content-type-options
nosniff
last-modified
Tue, 15 Sep 2020 18:10:27 GMT
server
sffe
age
336207
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
9080
x-xss-protection
0
expires
Fri, 25 Feb 2022 19:41:26 GMT
mem8YaGs126MiZpBA-UFVZ0bf8pkAg.woff2
fonts.gstatic.com/s/opensans/v18/ 		9 KB
9 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/opensans/v18/mem8YaGs126MiZpBA-UFVZ0bf8pkAg.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Open+Sans:400,300,300italic,400italic,600,600italic,700,800,700italic,800italic%7CMerriweather:400,400italic,700
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:810::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
54c64f3c66372027154f01fc9f24b4e25fdfe405b70d1994c79abbc2576ff775
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Origin
https://ncna20.kattis.com
Referer
https://fonts.googleapis.com/css?family=Open+Sans:400,300,300italic,400italic,600,600italic,700,800,700italic,800italic%7CMerriweather:400,400italic,700
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Tue, 23 Feb 2021 20:46:55 GMT
x-content-type-options
nosniff
last-modified
Tue, 15 Sep 2020 18:09:28 GMT
server
sffe
age
505078
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
9132
x-xss-protection
0
expires
Wed, 23 Feb 2022 20:46:55 GMT
data
col.site24x7rum.eu/rum/ 		19 B
436 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://col.site24x7rum.eu/rum/data
Requested by
Host: static.site24x7rum.eu
URL: https://static.site24x7rum.eu/beacon/site24x7rum-min.js?appKey=a854f3a6dd7ee5e3b7d1641570b79c34
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.214.234.86 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-52-214-234-86.eu-west-1.compute.amazonaws.com
Software
ZGS /
Resource Hash
d371490817f54924439cd86d57c2a049bd3382bf43a1a73346f454a7cacd6b73
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1

Request headers

Referer
https://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
x-content-type-options
nosniff
server
ZGS
access-control-allow-headers
request-id, request-context, Origin, Accept-Language
x-frame-options
SAMEORIGIN
access-control-allow-methods
POST,OPTIONS
content-type
application/json;charset=ISO-8859-1
access-control-allow-origin
*
vary
Origin
content-length
19
x-xss-protection
1
performance
ncna20.kattis.com/cdn-cgi/beacon/ 		0
72 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://ncna20.kattis.com/cdn-cgi/beacon/performance?req_id=6293f787fece2b35
Requested by
Host: static.cloudflareinsights.com
URL: https://static.cloudflareinsights.com/beacon.min.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:4b5f , 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://ncna20.kattis.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
content-type
application/json

Response headers

date
Mon, 01 Mar 2021 17:04:53 GMT
x-content-type-options
nosniff
server
cloudflare
cf-ray
6293f78e78a02b35-FRA
x-frame-options
DENY

Verdicts & Comments Add Verdict or Comment

30 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.

object| ontransitionrun object| ontransitionstart object| ontransitioncancel object| cookieStore function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker object| trustedTypes boolean| crossOriginIsolated undefined| $ function| jQuery object| page_loaded_at object| Kattis string| rumMOKey function| moment function| daterangepicker object| Select2 function| Raphael object| s247RUM function| site24x7RumError object| insightTMRUM object| insightRUM function| S247RumQueueImpl function| initInsightEvent object| TraceKit object| site24x7rum string| pDomain object| Morris function| tmpl function| escapeHtml

3 Cookies

Domain/Path Name / Value
.kattis.com/ Name: EduSiteCookie
Value: ce82582a-2660-4087-8603-02b6f0e17ae5
ncna20.kattis.com/ Name: site24x7rumID
Value: 7745198039084531.1614618292349.1614618292349
.kattis.com/ Name: __cfduid
Value: ddbe6925cdc06a2135b0356e86a3a589e1614618292

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.

ajax.googleapis.com
cdn.jsdelivr.net
cdnjs.cloudflare.com
col.site24x7rum.eu
fonts.googleapis.com
fonts.gstatic.com
ncna20.kattis.com
static.cloudflareinsights.com
static.site24x7rum.eu
2600:9000:20eb:dc00:2:bab6:d500:93a1
2606:4700:20::ac43:4b5f
2606:4700::6810:125e
2606:4700::6810:5f41
2a00:1450:4001:800::200a
2a00:1450:4001:810::2003
2a00:1450:4001:82b::200a
2a04:4e42:3::621
52.214.234.86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