smtp.digitalinstructorlab.com Open in urlscan Pro
172.67.168.134 Public Scan

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URL:
https://smtp.digitalinstructorlab.com/
Submission: On November 04 via api (November 4th 2024, 11:26:41 am UTC) from US — Scanned from DE

Summary HTTP 8 Redirects Links 2 Behaviour Indicators

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 8 HTTP transactions. The main IP is 172.67.168.134, located in United States and belongs to CLOUDFLARENET, US. The main domain is smtp.digitalinstructorlab.com.
TLS certificate: Issued by WE1 on October 7th 2024. Valid for: 3 months.

This is the only time smtp.digitalinstructorlab.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address		AS Autonomous System
8	172.67.168.134 172.67.168.134		13335 (CLOUDFLAR...) (CLOUDFLARENET)
8	1

8 172.67.168.134 (United States)

ASN13335 (CLOUDFLARENET, US)

smtp.digitalinstructorlab.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
8	digitalinstructorlab.com smtp.digitalinstructorlab.com	23 KB
8	1

	Domain	Requested by
8	smtp.digitalinstructorlab.com	smtp.digitalinstructorlab.com
8	1

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

Domain
www.cloudflare.com
support.cloudflare.com

Subject Issuer	Validity	Valid
digitalinstructorlab.com WE1	`2024-10-07` - `2025-01-05`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://smtp.digitalinstructorlab.com/
Frame ID: 9C6BF91EAE5B8FD7BB185368C93CA82E
Requests: 8 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

smtp.digitalinstructorlab.com | 521: Web server is down

Page Statistics

8
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

23 kB
Transfer

26 kB
Size

0
Cookies

2 Outgoing links

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

URL: https://www.cloudflare.com/5xx-error-landing?utm_source=errorcode_521&utm_campaign=smtp.digitalinstructorlab.com
Title: cloudflare.com

Search URL Search Domain Scan URL

URL: https://support.cloudflare.com/hc/en-us/articles/200171916-Error-521
Title: Additional troubleshooting information

Search URL Search Domain Scan URL

Redirected requests

There were HTTP redirect chains for the following requests:

8 HTTP transactions
0 data transactions

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

GET
H3 521 Primary Request / Show response
smtp.digitalinstructorlab.com/ 7 KB
7 KB 1165ms
118ms Document
text/html 172.67.168.134
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://smtp.digitalinstructorlab.com/

Protocol

Security

QUIC, , AES_128_GCM

Server

172.67.168.134 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

885ca1482d3f5715a8c7f11159af4125ed349f6eeefb94523f2d1a9d810e0173

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Response headers

alt-svc: h3=":443"; ma=86400
cache-control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-ray: 8dd44008cec99ea7-CDG
content-length: 6912
content-type: text/html; charset=UTF-8
date: Mon, 04 Nov 2024 11:26:36 GMT
expires: Thu, 01 Jan 1970 00:00:01 GMT
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\/v4?s=b39MN7yRnZ%2BFH6kWJzs9EXLXOsjV0ePGW4vZgLDiby%2BUATY6kIr6W5UbFkXTQiWONE6g79LyHF6hFIQXqxYLvjJqGcpXMCyFZHhYsQhfVabtv8YyOAApBdHCvEOnjYiuMbFBd21%2Bt7aqv9wAcbY49A%3D%3D"}],"group":"cf-nel","max_age":604800}
server: cloudflare
server-timing: cfL4;desc="?proto=QUIC&rtt=48885&sent=12&recv=10&lost=0&retrans=0&sent_bytes=4175&recv_bytes=5699&delivery_rate=12225&cwnd=12000&unsent_bytes=0&cid=f9c1cd75c32e2c6f&ts=185&x=1" cfHdrFlush;dur=0
x-frame-options: SAMEORIGIN

GET
H3 200 main.css
smtp.digitalinstructorlab.com/cdn-cgi/styles/ 8 KB
2 KB 53ms
52ms Stylesheet
text/css 172.67.168.134
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://smtp.digitalinstructorlab.com/cdn-cgi/styles/main.css

Requested by

Host: smtp.digitalinstructorlab.com
URL: https://smtp.digitalinstructorlab.com/

Protocol

Security

QUIC, , AES_128_GCM

Server

172.67.168.134 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

d30b4ea6f68456672f5abb35e9dcf7d54226372b66e9d60a7ee26b7a52568e74

Security Headers

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

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer: https://smtp.digitalinstructorlab.com/

Response headers

vary: Accept-Encoding
cache-control: max-age=7200, public
content-encoding: gzip
etag: W/"672112ac-1f4d"
x-content-type-options: nosniff
cf-ray: 8dd440099f959ea7-CDG
expires: Mon, 04 Nov 2024 13:26:37 GMT
date: Mon, 04 Nov 2024 11:26:37 GMT
content-type: text/css
last-modified: Tue, 29 Oct 2024 16:51:56 GMT
server: cloudflare
x-frame-options: DENY

GET
H3 200 cf-icon-browser.png
smtp.digitalinstructorlab.com/cdn-cgi/images/ 484 B
666 B 52ms
51ms Image
image/png 172.67.168.134
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://smtp.digitalinstructorlab.com/cdn-cgi/images/cf-icon-browser.png

Requested by

Host: smtp.digitalinstructorlab.com
URL: https://smtp.digitalinstructorlab.com/cdn-cgi/styles/main.css

Protocol

Security

QUIC, , AES_128_GCM

Server

172.67.168.134 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

78a7d8b29cabf16831417dba1b9bbe36fae0d060a35a495e8f10e9663b3c9e65

Security Headers

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

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer: https://smtp.digitalinstructorlab.com/cdn-cgi/styles/main.css

Response headers

vary: Accept-Encoding
cache-control: max-age=7200, public
etag: "672112ac-1e4"
x-content-type-options: nosniff
cf-ray: 8dd44009ffec9ea7-CDG
expires: Mon, 04 Nov 2024 13:26:37 GMT
accept-ranges: bytes
content-length: 484
date: Mon, 04 Nov 2024 11:26:37 GMT
content-type: image/png
last-modified: Tue, 29 Oct 2024 16:51:56 GMT
server: cloudflare
x-frame-options: DENY

GET
H3 200 cf-icon-ok.png
smtp.digitalinstructorlab.com/cdn-cgi/images/ 946 B
1 KB 53ms
51ms Image
image/png 172.67.168.134
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://smtp.digitalinstructorlab.com/cdn-cgi/images/cf-icon-ok.png

Requested by

Host: smtp.digitalinstructorlab.com
URL: https://smtp.digitalinstructorlab.com/cdn-cgi/styles/main.css

Protocol

Security

QUIC, , AES_128_GCM

Server

172.67.168.134 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

ed732380ee3ff0f2d841784da213c8c05d2b5ae187a5217b419d21cae5cedb1b

Security Headers

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

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer: https://smtp.digitalinstructorlab.com/cdn-cgi/styles/main.css

Response headers

vary: Accept-Encoding
cache-control: max-age=7200, public
etag: "672112ac-3b2"
x-content-type-options: nosniff
cf-ray: 8dd44009fff19ea7-CDG
expires: Mon, 04 Nov 2024 13:26:37 GMT
accept-ranges: bytes
content-length: 946
date: Mon, 04 Nov 2024 11:26:37 GMT
content-type: image/png
last-modified: Tue, 29 Oct 2024 16:51:56 GMT
server: cloudflare
x-frame-options: DENY

GET
H3 200 cf-icon-cloud.png
smtp.digitalinstructorlab.com/cdn-cgi/images/ 1 KB
2 KB 54ms
52ms Image
image/png 172.67.168.134
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://smtp.digitalinstructorlab.com/cdn-cgi/images/cf-icon-cloud.png

Requested by

Host: smtp.digitalinstructorlab.com
URL: https://smtp.digitalinstructorlab.com/cdn-cgi/styles/main.css

Protocol

Security

QUIC, , AES_128_GCM

Server

172.67.168.134 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

3a223426c67a0a33ff57af68a57fb589fea36af2a6e8f9dae7798c77471e0e58

Security Headers

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

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer: https://smtp.digitalinstructorlab.com/cdn-cgi/styles/main.css

Response headers

vary: Accept-Encoding
cache-control: max-age=7200, public
etag: "672112ac-5cc"
x-content-type-options: nosniff
cf-ray: 8dd44009fff39ea7-CDG
expires: Mon, 04 Nov 2024 13:26:37 GMT
accept-ranges: bytes
content-length: 1484
date: Mon, 04 Nov 2024 11:26:37 GMT
content-type: image/png
last-modified: Tue, 29 Oct 2024 16:51:56 GMT
server: cloudflare
x-frame-options: DENY

GET
H3 200 cf-icon-server.png
smtp.digitalinstructorlab.com/cdn-cgi/images/ 1 KB
2 KB 54ms
53ms Image
image/png 172.67.168.134
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://smtp.digitalinstructorlab.com/cdn-cgi/images/cf-icon-server.png

Requested by

Host: smtp.digitalinstructorlab.com
URL: https://smtp.digitalinstructorlab.com/cdn-cgi/styles/main.css

Protocol

Security

QUIC, , AES_128_GCM

Server

172.67.168.134 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

41553a537f85839927155af093b7bfa1987215f474ed038714609cc48812ea3b

Security Headers

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

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer: https://smtp.digitalinstructorlab.com/cdn-cgi/styles/main.css

Response headers

vary: Accept-Encoding
cache-control: max-age=7200, public
etag: "672112ac-568"
x-content-type-options: nosniff
cf-ray: 8dd44009fff49ea7-CDG
expires: Mon, 04 Nov 2024 13:26:37 GMT
accept-ranges: bytes
content-length: 1384
date: Mon, 04 Nov 2024 11:26:37 GMT
content-type: image/png
last-modified: Tue, 29 Oct 2024 16:51:56 GMT
server: cloudflare
x-frame-options: DENY

GET
H3 200 cf-icon-error.png
smtp.digitalinstructorlab.com/cdn-cgi/images/ 854 B
1 KB 54ms
53ms Image
image/png 172.67.168.134
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://smtp.digitalinstructorlab.com/cdn-cgi/images/cf-icon-error.png

Requested by

Host: smtp.digitalinstructorlab.com
URL: https://smtp.digitalinstructorlab.com/cdn-cgi/styles/main.css

Protocol

Security

QUIC, , AES_128_GCM

Server

172.67.168.134 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

67f70597a183fbca7fac55d609fbaac5c34bb4d4d32a0530bbbbb42591f2de2f

Security Headers

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

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer: https://smtp.digitalinstructorlab.com/cdn-cgi/styles/main.css

Response headers

vary: Accept-Encoding
cache-control: max-age=7200, public
etag: "672112ac-356"
x-content-type-options: nosniff
cf-ray: 8dd44009fff59ea7-CDG
expires: Mon, 04 Nov 2024 13:26:37 GMT
accept-ranges: bytes
content-length: 854
date: Mon, 04 Nov 2024 11:26:37 GMT
content-type: image/png
last-modified: Tue, 29 Oct 2024 16:51:56 GMT
server: cloudflare
x-frame-options: DENY

GET
H3 521 favicon.ico
smtp.digitalinstructorlab.com/ 7 KB
7 KB 119ms
119ms Other
text/html 172.67.168.134
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://smtp.digitalinstructorlab.com/favicon.ico

Protocol

Security

QUIC, , AES_128_GCM

Server

172.67.168.134 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

1fcdac727eb8725a6c10112f60810f1ec6e08a88cdaf54d5ced4c835ca6b3225

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer: https://smtp.digitalinstructorlab.com/

Response headers

nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cache-control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=pmw4fsz9iYJHGvVXeeOKTYLJA8FU4B7IjjinyEeRe9%2F%2BfMQuTTYw4UpJ1460cHckvTWIqy8CUXm%2BRHNJDaNuamg63ohp7mjv%2BOBXgWbLnEJNcCL9W7CjJCCCA6CLK3lhJPVrF4%2Bj6LkL6eKtTa4sJw%3D%3D"}],"group":"cf-nel","max_age":604800}
referrer-policy: same-origin
cf-ray: 8dd4400a585b9ea7-CDG
expires: Thu, 01 Jan 1970 00:00:01 GMT
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=QUIC&rtt=54044&sent=34&recv=26&lost=0&retrans=0&sent_bytes=20764&recv_bytes=8709&delivery_rate=122954&cwnd=12000&unsent_bytes=0&cid=f9c1cd75c32e2c6f&ts=433&x=1", cfHdrFlush;dur=0
content-length: 6912
date: Mon, 04 Nov 2024 11:26:37 GMT
content-type: text/html; charset=UTF-8
vary: Accept-Encoding
server: cloudflare
x-frame-options: SAMEORIGIN

Verdicts & Comments Add Verdict or Comment

0 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.

0 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.

2 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
network	error	URL: https://smtp.digitalinstructorlab.com/ Message: Failed to load resource: the server responded with a status of 521 ()
network	error	URL: https://smtp.digitalinstructorlab.com/favicon.ico Message: Failed to load resource: the server responded with a status of 521 ()

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
X-Frame-Options	SAMEORIGIN

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.

smtp.digitalinstructorlab.com
172.67.168.134
1fcdac727eb8725a6c10112f60810f1ec6e08a88cdaf54d5ced4c835ca6b3225
3a223426c67a0a33ff57af68a57fb589fea36af2a6e8f9dae7798c77471e0e58
41553a537f85839927155af093b7bfa1987215f474ed038714609cc48812ea3b
67f70597a183fbca7fac55d609fbaac5c34bb4d4d32a0530bbbbb42591f2de2f
78a7d8b29cabf16831417dba1b9bbe36fae0d060a35a495e8f10e9663b3c9e65
885ca1482d3f5715a8c7f11159af4125ed349f6eeefb94523f2d1a9d810e0173
d30b4ea6f68456672f5abb35e9dcf7d54226372b66e9d60a7ee26b7a52568e74
ed732380ee3ff0f2d841784da213c8c05d2b5ae187a5217b419d21cae5cedb1b

smtp.digitalinstructorlab.com Open in urlscan Pro 172.67.168.134 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page Statistics

8 Requests

100 %HTTPS

0 %IPv6

1 Domains

1 Subdomains

1 IPs

1 Countries

23 kBTransfer

26 kBSize

0 Cookies

2 Outgoing links

Redirected requests

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

Request headers

Response 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

Request headers

Response headers

Verdicts & Comments Add Verdict or Comment

0 JavaScript Global Variables

0 Cookies

2 Console Messages

Security Headers

Indicators

smtp.digitalinstructorlab.com Open in urlscan Pro
172.67.168.134 Public Scan

Screenshot
Live screenshot

Full Image

8
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

23 kB
Transfer

26 kB
Size

0
Cookies

8 HTTP transactions
0 data transactions