web.stanford.edu - urlscan.io

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 5 HTTP transactions. The main IP is 2607:f6d0:0:925a::ab43:d7c8, located in Stanford, United States and belongs to STANFORD, US. The main domain is web.stanford.edu. The Cisco Umbrella rank of the primary domain is 249484.
TLS certificate: Issued by InCommon RSA Server CA 2 on May 1st 2024. Valid for: a year.

This is the only time web.stanford.edu was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 1	54.81.116.232 54.81.116.232	14618 (AMAZON-AES) (AMAZON-AES)
1 4	2607:f6d0:0:9... 2607:f6d0:0:925a::ab43:d7c8	32 (STANFORD) (STANFORD)
2	104.18.23.19 104.18.23.19	13335 (CLOUDFLAR...) (CLOUDFLARENET)
5	2

1 54.81.116.232 (Ashburn, United States) 1 redirects

ASN14618 (AMAZON-AES, US)
PTR: ec2-54-81-116-232.compute-1.amazonaws.com

cs205b.stanford.edu	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2607:f6d0:0:925a::ab43:d7c8 (Stanford, United States) 1 redirects

ASN32 (STANFORD, US)

web.stanford.edu	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 104.18.23.19 (None, )

ASN13335 (CLOUDFLARENET, US)

www.w3.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
jigsaw.w3.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
5	stanford.edu 2 redirects cs205b.stanford.edu web.stanford.edu — Cisco Umbrella Rank: 249484	18 KB
2	w3.org www.w3.org — Cisco Umbrella Rank: 30063 jigsaw.w3.org — Cisco Umbrella Rank: 239213	3 KB
5	2

	Domain	Requested by
4	web.stanford.edu	1 redirects web.stanford.edu
1	jigsaw.w3.org	web.stanford.edu
1	www.w3.org	web.stanford.edu
1	cs205b.stanford.edu	1 redirects
5	4

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

Domain
graphics.stanford.edu
www.stanford.edu
physbam.stanford.edu
site.ebrary.com
www.siam.org
cme306.stanford.edu
cs306.stanford.edu
validator.w3.org
jigsaw.w3.org

Subject Issuer	Validity	Valid
stanford.edu InCommon RSA Server CA 2	`2024-05-01` - `2025-05-01`	a year	crt.sh
w3.org Cloudflare Inc ECC CA-3	`2024-01-26` - `2024-12-31`	a year	crt.sh

This page contains 1 frames:

Primary Page: https://web.stanford.edu/class/cs205b/
Frame ID: 80A10C2A5E08A2DC4948A79306BA529D
Requests: 5 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Mathematical Methods for Fluids, Solids and Interfaces

Page URL History Show full URLs

https://cs205b.stanford.edu/ HTTP 307
http://web.stanford.edu/class/cs205b HTTP 307
https://web.stanford.edu/class/cs205b HTTP 301
https://web.stanford.edu/class/cs205b/ Page URL

Page Statistics

5
Requests

100 %
HTTPS

33 %
IPv6

2
Domains

4
Subdomains

2
IPs

2
Countries

21 kB
Transfer

19 kB
Size

1
Cookies

10 Outgoing links

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

URL: http://graphics.stanford.edu/~fedkiw
Title: Ron Fedkiw

Search URL Search Domain Scan URL

URL: http://www.stanford.edu/~jontg
Title: Jón Tómas Grétarsson

Search URL Search Domain Scan URL

URL: http://physbam.stanford.edu/~cas43
Title: Craig Schroeder

Search URL Search Domain Scan URL

URL: http://site.ebrary.com/lib/stanford/Doc?id=10021922
Title: Finite Volume Methods for Hyperbolic Problems

Search URL Search Domain Scan URL

URL: http://www.siam.org/books/textbooks/OT88sample.pdf
Title: available on the SIAM website

Search URL Search Domain Scan URL

URL: http://site.ebrary.com/lib/stanford/Doc?id=10047797
Title: Level Set Methods and Dynamic Implicit Surfaces

Search URL Search Domain Scan URL

URL: http://cme306.stanford.edu/
Title: CME 306

Search URL Search Domain Scan URL

URL: http://cs306.stanford.edu/
Title: theory track

Search URL Search Domain Scan URL

URL: http://validator.w3.org/check?uri=referer

Search URL Search Domain Scan URL

URL: http://jigsaw.w3.org/css-validator/

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.

https://cs205b.stanford.edu/ HTTP 307
http://web.stanford.edu/class/cs205b HTTP 307
https://web.stanford.edu/class/cs205b HTTP 301
https://web.stanford.edu/class/cs205b/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

5 HTTP transactions
0 data transactions

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

GET
H/1.1

200
OK

Primary Request / Show response
web.stanford.edu/class/cs205b/
Redirect Chain

https://cs205b.stanford.edu/
http://web.stanford.edu/class/cs205b
https://web.stanford.edu/class/cs205b
https://web.stanford.edu/class/cs205b/

13 KB
14 KB

195ms
195ms

Document
text/html

2607:f6d0:0:925a::ab43:d7c8
STANFORD

General

Check archive.org

Show headers Download Go to

Full URL

https://web.stanford.edu/class/cs205b/

Protocol

HTTP/1.1

Security

TLS 1.2, RSA, AES_128_GCM

Server

2607:f6d0:0:925a::ab43:d7c8 Stanford, United States, ASN32 (STANFORD, US),

Reverse DNS

Software

Apache /

Resource Hash

138cdceb219112ce68725cac46afed2e4b604c7320087a0d80703c3ea050fa56

Security Headers

Name	Value
Strict-Transport-Security	max-age=0

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

Accept-Ranges: bytes
Connection: Keep-Alive
Content-Length: 13604
Content-Type: text/html
Date: Fri, 25 Oct 2024 08:41:57 GMT
Keep-Alive: timeout=5, max=99
Server: Apache
Strict-Transport-Security: max-age=0

Redirect headers

Connection: Keep-Alive
Content-Length: 246
Content-Type: text/html; charset=iso-8859-1
Date: Fri, 25 Oct 2024 08:41:56 GMT
Keep-Alive: timeout=5, max=100
Location: https://web.stanford.edu/class/cs205b/
Server: Apache

GET
H/1.1 200
OK style.css
web.stanford.edu/class/cs205b/ 2 KB
2 KB 194ms
194ms Stylesheet
text/css 2607:f6d0:0:925a::ab43:d7c8
STANFORD

General

Check archive.org

Show headers Download Go to

Full URL

https://web.stanford.edu/class/cs205b/style.css

Requested by

Host: web.stanford.edu
URL: https://web.stanford.edu/class/cs205b/

Protocol

HTTP/1.1

Security

TLS 1.2, RSA, AES_128_GCM

Server

2607:f6d0:0:925a::ab43:d7c8 Stanford, United States, ASN32 (STANFORD, US),

Reverse DNS

Software

Apache /

Resource Hash

7147b38165266e86dcd0bbfba04e41fbcf2e811f62cf4e7f0cef161d2fb227d5

Security Headers

Name	Value
Strict-Transport-Security	max-age=0

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://web.stanford.edu/class/cs205b/

Response headers

Strict-Transport-Security: max-age=0
ETag: "67b-44c4f121f2140"
Connection: Keep-Alive
Accept-Ranges: bytes
Content-Length: 1659
Keep-Alive: timeout=5, max=98
Date: Fri, 25 Oct 2024 08:41:57 GMT
Last-Modified: Sat, 03 May 2008 08:13:17 GMT
Content-Type: text/css
Server: Apache

GET
H3 200 valid-xhtml11
www.w3.org/Icons/ 1 KB
2 KB 134ms
68ms Image
image/png 104.18.23.19
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.w3.org/Icons/valid-xhtml11

Requested by

Host: web.stanford.edu
URL: https://web.stanford.edu/class/cs205b/

Protocol

H3

Security

QUIC, , AES_128_GCM

Server

104.18.23.19 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

da4ca0630b38bf638f0c4fbf8a7b114e5ab9d84a0775119b01ea892a2ac87d96

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
Strict-Transport-Security	max-age=15552000; includeSubdomains; preload

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://web.stanford.edu/

Response headers

x-request-id: 8d4914d38b13ae8a
cf-bgj: imgq:100,h2pri
etag: "732-41880ced83900;6199ec1534794
age: 585135
cf-cache-status: HIT
content-location: valid-xhtml11.png
expires: Sun, 17 Nov 2024 14:05:06 GMT
cf-polished: origSize=1842, status=vary_header_present
alt-svc: h3=":443"; ma=86400
date: Fri, 25 Oct 2024 08:41:57 GMT
content-type: image/png; qs=0.7
last-modified: Fri, 14 Jul 2006 01:43:32 GMT
vary: negotiate,Origin, Accept-Encoding
strict-transport-security: max-age=15552000; includeSubdomains; preload
content-security-policy: frame-ancestors 'self' https://cms.w3.org/ https://cms-dev.w3.org/; upgrade-insecure-requests
cache-control: public, max-age=604800, s-maxage=604800
x-backend: www-mirrors
cf-ray: 8d80e91548ca62bc-HAM
accept-ranges: bytes
access-control-allow-origin: *
content-length: 1281
tcn: choice
server: cloudflare

GET
H3 200 vcss
jigsaw.w3.org/css-validator/images/ 1 KB
1 KB 137ms
69ms Image
image/png 104.18.23.19
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://jigsaw.w3.org/css-validator/images/vcss
Requested by: Host: web.stanford.edu
URL: https://web.stanford.edu/class/cs205b/
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 104.18.23.19 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 4bdd09319f21b3341a62e6409ccaa06370dee04b492bf5c317c6f7b02935c6d3

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://web.stanford.edu/

Response headers

content-md5: ROsfXXl1Csyt84SaRlPNqA==
cf-bgj: imgq:100,h2pri
etag: "btg4dc:1a2k1jdo8"
age: 107072
cf-cache-status: HIT
expires: Wed, 23 Oct 2024 04:50:55 GMT
cf-polished: origSize=1127
alt-svc: h3=":443"; ma=86400
date: Fri, 25 Oct 2024 08:41:57 GMT
content-type: image/png
last-modified: Mon, 08 Feb 2016 20:34:28 GMT
vary: Accept-Encoding
cache-control: max-age=518400
cf-ray: 8d80e91548d062bc-HAM
accept-ranges: bytes
content-length: 1029
server: cloudflare

GET
H/1.1 200
OK favicon.ico
web.stanford.edu/ 1 KB
2 KB 180ms
179ms Other
image/vnd.microsoft.icon 2607:f6d0:0:925a::ab43:d7c8
STANFORD

General

Check archive.org

Show headers Download Go to

Full URL

https://web.stanford.edu/favicon.ico

Protocol

HTTP/1.1

Security

TLS 1.2, RSA, AES_128_GCM

Server

2607:f6d0:0:925a::ab43:d7c8 Stanford, United States, ASN32 (STANFORD, US),

Reverse DNS

Software

Apache /

Resource Hash

dffcfb37c95be7f02c9ca1a818e3c1c0b6b1f033a5d085d82ba673909ce6ed55

Security Headers

Name	Value
Strict-Transport-Security	max-age=0

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://web.stanford.edu/class/cs205b/

Response headers

Strict-Transport-Security: max-age=0
ETag: "5cd-53db16e43dc00"
Connection: Keep-Alive
Accept-Ranges: bytes
Content-Length: 1485
Keep-Alive: timeout=5, max=97
Date: Fri, 25 Oct 2024 08:41:57 GMT
Last-Modified: Fri, 30 Sep 2016 03:45:52 GMT
Content-Type: image/vnd.microsoft.icon
Server: Apache

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.

1 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
			.w3.org/	1970-01-21 00:30:47	Name: __cf_bm Value: bBqIiK7HgIqGwOsX3.WJTLTEJ94_oMAq2tPMt4jjACU-1729845717-1.0.1.1-1I2Vd98t9a5YfynDUx.nR9ltYqs39rH_d1rj8wC8kE4.LSnM7rL9KlG0NCiZuGoOf.yo4K8RAepw4PI4aTtLTw

4 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
security	warning	URL: https://web.stanford.edu/class/cs205b/ Message: Mixed Content: The page at 'https://web.stanford.edu/class/cs205b/' was loaded over HTTPS, but requested an insecure element 'http://www.w3.org/Icons/valid-xhtml11'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
security	warning	URL: https://web.stanford.edu/class/cs205b/ Message: Mixed Content: The page at 'https://web.stanford.edu/class/cs205b/' was loaded over HTTPS, but requested an insecure element 'http://jigsaw.w3.org/css-validator/images/vcss'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
security	warning	URL: https://web.stanford.edu/class/cs205b/(Line 342) Message: Mixed Content: The page at 'https://web.stanford.edu/class/cs205b/' was loaded over HTTPS, but requested an insecure element 'http://www.w3.org/Icons/valid-xhtml11'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
security	warning	URL: https://web.stanford.edu/class/cs205b/(Line 342) Message: Mixed Content: The page at 'https://web.stanford.edu/class/cs205b/' was loaded over HTTPS, but requested an insecure element 'http://jigsaw.w3.org/css-validator/images/vcss'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html

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=0

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.

cs205b.stanford.edu
jigsaw.w3.org
web.stanford.edu
www.w3.org
104.18.23.19
2607:f6d0:0:925a::ab43:d7c8
54.81.116.232
138cdceb219112ce68725cac46afed2e4b604c7320087a0d80703c3ea050fa56
4bdd09319f21b3341a62e6409ccaa06370dee04b492bf5c317c6f7b02935c6d3
7147b38165266e86dcd0bbfba04e41fbcf2e811f62cf4e7f0cef161d2fb227d5
da4ca0630b38bf638f0c4fbf8a7b114e5ab9d84a0775119b01ea892a2ac87d96
dffcfb37c95be7f02c9ca1a818e3c1c0b6b1f033a5d085d82ba673909ce6ed55

web.stanford.edu Open in urlscan Pro 2607:f6d0:0:925a::ab43:d7c8 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Page Statistics

5 Requests

100 %HTTPS

33 %IPv6

2 Domains

4 Subdomains

2 IPs

2 Countries

21 kBTransfer

19 kBSize

1 Cookies

10 Outgoing links

Page URL History

Redirected requests

5 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

Verdicts & Comments Add Verdict or Comment

0 JavaScript Global Variables

1 Cookies

4 Console Messages

Security Headers

Indicators

web.stanford.edu Open in urlscan Pro
2607:f6d0:0:925a::ab43:d7c8 Public Scan

Screenshot
Live screenshot

Full Image

5
Requests

100 %
HTTPS

33 %
IPv6

2
Domains

4
Subdomains

2
IPs

2
Countries

21 kB
Transfer

19 kB
Size

1
Cookies

5 HTTP transactions
0 data transactions