URL: https://linux.cc.iitk.ac.in/lininfo/Understanding_Email_Header.html
Submission: On August 26 via manual from IN — Scanned from IT

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 7 HTTP transactions. The main IP is 202.3.77.78, located in Kanpur, India and belongs to IITKNET-AS-AP IIT Kanpur, IN. The main domain is linux.cc.iitk.ac.in.
TLS certificate: Issued by Sectigo RSA Domain Validation Secure ... on April 16th 2024. Valid for: a year.
This is the only time linux.cc.iitk.ac.in was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
7 202.3.77.78 55479 (IITKNET-A...)
7 1
Apex Domain
Subdomains
Transfer
7 iitk.ac.in
linux.cc.iitk.ac.in
12 KB
7 1
Domain Requested by
7 linux.cc.iitk.ac.in linux.cc.iitk.ac.in
7 1

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

Domain
www.youtube.com
Subject Issuer Validity Valid
*.cc.iitk.ac.in
Sectigo RSA Domain Validation Secure Server CA
2024-04-16 -
2025-05-17
a year crt.sh

This page contains 1 frames:

Primary Page: https://linux.cc.iitk.ac.in/lininfo/Understanding_Email_Header.html
Frame ID: 066F4EAD0FC0F1F9AE0D49F76C8C96CD
Requests: 7 HTTP requests in this frame

Screenshot

Page Title

Understanding Email Header

Page Statistics

7
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

12 kB
Transfer

12 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

7 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request Understanding_Email_Header.html
linux.cc.iitk.ac.in/lininfo/
4 KB
4 KB
Document
General
Full URL
https://linux.cc.iitk.ac.in/lininfo/Understanding_Email_Header.html
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
202.3.77.78 Kanpur, India, ASN55479 (IITKNET-AS-AP IIT Kanpur, IN),
Reverse DNS
Software
Apache /
Resource Hash
75325acd0d12544f1121ad3454b63450aed1ccf75d0138d9f7de35462fc5ef58
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubdomains;

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

accept-ranges
bytes
content-length
3730
content-type
text/html; charset=UTF-8
date
Mon, 26 Aug 2024 07:46:17 GMT
last-modified
Wed, 15 May 2024 03:13:48 GMT
server
Apache
strict-transport-security
max-age=63072000; includeSubdomains;
doc.css
linux.cc.iitk.ac.in/lininfo/
7 KB
7 KB
Stylesheet
General
Full URL
https://linux.cc.iitk.ac.in/lininfo/doc.css
Requested by
Host: linux.cc.iitk.ac.in
URL: https://linux.cc.iitk.ac.in/lininfo/Understanding_Email_Header.html
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
202.3.77.78 Kanpur, India, ASN55479 (IITKNET-AS-AP IIT Kanpur, IN),
Reverse DNS
Software
Apache /
Resource Hash
129abdcea7607be3ccb964ae37f87062618ed9f7fe27000b2c63937fde26f3cd
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubdomains;

Request headers

Referer
https://linux.cc.iitk.ac.in/lininfo/Understanding_Email_Header.html
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

strict-transport-security
max-age=63072000; includeSubdomains;
date
Mon, 26 Aug 2024 07:46:18 GMT
last-modified
Wed, 15 May 2024 03:13:48 GMT
server
Apache
accept-ranges
bytes
content-length
6670
content-type
text/css
next.png
linux.cc.iitk.ac.in/lininfo/
245 B
284 B
Image
General
Full URL
https://linux.cc.iitk.ac.in/lininfo/next.png
Requested by
Host: linux.cc.iitk.ac.in
URL: https://linux.cc.iitk.ac.in/lininfo/Understanding_Email_Header.html
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
202.3.77.78 Kanpur, India, ASN55479 (IITKNET-AS-AP IIT Kanpur, IN),
Reverse DNS
Software
Apache /
Resource Hash
43d1940f25fd99246e94d565c63fb00b910bdc2f35844355276e6b5d1b5265de
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubdomains;

Request headers

Referer
https://linux.cc.iitk.ac.in/lininfo/Understanding_Email_Header.html
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

strict-transport-security
max-age=63072000; includeSubdomains;
date
Mon, 26 Aug 2024 07:46:18 GMT
last-modified
Wed, 15 May 2024 03:13:48 GMT
server
Apache
accept-ranges
bytes
content-length
245
content-type
image/png
up.png
linux.cc.iitk.ac.in/lininfo/
211 B
241 B
Image
General
Full URL
https://linux.cc.iitk.ac.in/lininfo/up.png
Requested by
Host: linux.cc.iitk.ac.in
URL: https://linux.cc.iitk.ac.in/lininfo/Understanding_Email_Header.html
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
202.3.77.78 Kanpur, India, ASN55479 (IITKNET-AS-AP IIT Kanpur, IN),
Reverse DNS
Software
Apache /
Resource Hash
dd1fd97f1c53b3c881764f94039df612bcd89d74596b47df4e41270b103600bc
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubdomains;

Request headers

Referer
https://linux.cc.iitk.ac.in/lininfo/Understanding_Email_Header.html
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

strict-transport-security
max-age=63072000; includeSubdomains;
date
Mon, 26 Aug 2024 07:46:18 GMT
last-modified
Wed, 15 May 2024 03:13:48 GMT
server
Apache
accept-ranges
bytes
content-length
211
content-type
image/png
prev.png
linux.cc.iitk.ac.in/lininfo/
279 B
310 B
Image
General
Full URL
https://linux.cc.iitk.ac.in/lininfo/prev.png
Requested by
Host: linux.cc.iitk.ac.in
URL: https://linux.cc.iitk.ac.in/lininfo/Understanding_Email_Header.html
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
202.3.77.78 Kanpur, India, ASN55479 (IITKNET-AS-AP IIT Kanpur, IN),
Reverse DNS
Software
Apache /
Resource Hash
6564f6ced1831a524704122bdc0963353ccfccb45743b23a21e84744de9d7869
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubdomains;

Request headers

Referer
https://linux.cc.iitk.ac.in/lininfo/Understanding_Email_Header.html
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

strict-transport-security
max-age=63072000; includeSubdomains;
date
Mon, 26 Aug 2024 07:46:18 GMT
last-modified
Wed, 15 May 2024 03:13:48 GMT
server
Apache
accept-ranges
bytes
content-length
279
content-type
image/png
contents.gif
linux.cc.iitk.ac.in/lininfo/icons/
225 B
286 B
Image
General
Full URL
https://linux.cc.iitk.ac.in/lininfo/icons/contents.gif
Requested by
Host: linux.cc.iitk.ac.in
URL: https://linux.cc.iitk.ac.in/lininfo/Understanding_Email_Header.html
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
202.3.77.78 Kanpur, India, ASN55479 (IITKNET-AS-AP IIT Kanpur, IN),
Reverse DNS
Software
Apache /
Resource Hash
cbb3a1b9b07ae8207cf0b1db81b131a0c717b700f7dc64a59f8b01a8243c3bb7
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubdomains;

Request headers

Referer
https://linux.cc.iitk.ac.in/lininfo/Understanding_Email_Header.html
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

strict-transport-security
max-age=63072000; includeSubdomains;
date
Mon, 26 Aug 2024 07:46:18 GMT
last-modified
Tue, 01 Oct 2019 11:30:50 GMT
server
Apache
accept-ranges
bytes
content-length
225
content-type
image/gif
favicon.ico
linux.cc.iitk.ac.in/
766 B
838 B
Other
General
Full URL
https://linux.cc.iitk.ac.in/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
202.3.77.78 Kanpur, India, ASN55479 (IITKNET-AS-AP IIT Kanpur, IN),
Reverse DNS
Software
Apache /
Resource Hash
36a6f4ba02692dd0d4f25aa288e598a8f36d5e1a18513f0bdbbc0ada9f5b729d
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubdomains;

Request headers

Referer
https://linux.cc.iitk.ac.in/lininfo/Understanding_Email_Header.html
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

strict-transport-security
max-age=63072000; includeSubdomains;
date
Mon, 26 Aug 2024 07:46:18 GMT
last-modified
Tue, 20 Feb 2018 03:53:00 GMT
server
Apache
accept-ranges
bytes
content-length
766
content-type
image/vnd.microsoft.icon

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

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=63072000; includeSubdomains;