substackcdn.com Open in urlscan Pro
2600:9000:206f:7c00:4:b4b9:d3c0:93a1  Public Scan

URL: https://substackcdn.com/image/fetch/w_36,c_scale,f_png,q_auto:good,fl_progressive:steep/https://substack.com/icon/NoteFo...
Submission: On October 14 via api from IT — Scanned from IT

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 2 HTTP transactions. The main IP is 2600:9000:206f:7c00:4:b4b9:d3c0:93a1, located in United States and belongs to AMAZON-02, US. The main domain is substackcdn.com. The Cisco Umbrella rank of the primary domain is 15696.
TLS certificate: Issued by Amazon RSA 2048 M02 on February 13th 2024. Valid for: a year.
This is the only time substackcdn.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 2600:9000:206... 16509 (AMAZON-02)
2 1
Apex Domain
Subdomains
Transfer
2 substackcdn.com
substackcdn.com — Cisco Umbrella Rank: 15696
7 KB
2 1
Domain Requested by
2 substackcdn.com
2 1

This site contains no links.

Subject Issuer Validity Valid
substackcdn.com
Amazon RSA 2048 M02
2024-02-13 -
2025-03-13
a year crt.sh

This page contains 1 frames:

Primary Page: https://substackcdn.com/image/fetch/w_36,c_scale,f_png,q_auto:good,fl_progressive:steep/https://substack.com/icon/NoteForwardIcon?v=4&height=36&fill=none&stroke=%23808080&strokeWidth=2
Frame ID: 9298C52509C160C6D2677A68760F1044
Requests: 2 HTTP requests in this frame

Screenshot

Page Title

NoteForwardIcon (36×36)

Page Statistics

2
Requests

100 %
HTTPS

100 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

7 kB
Transfer

6 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

2 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request NoteForwardIcon
substackcdn.com/image/fetch/w_36,c_scale,f_png,q_auto:good,fl_progressive:steep/https://substack.com/icon/
679 B
1 KB
Document
General
Full URL
https://substackcdn.com/image/fetch/w_36,c_scale,f_png,q_auto:good,fl_progressive:steep/https://substack.com/icon/NoteForwardIcon?v=4&height=36&fill=none&stroke=%23808080&strokeWidth=2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:7c00:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
imgproxy / Express
Resource Hash
e3ad8e2855c00d1a5a15764f588909f5342a4af9586b0cbf5b3e0408fdde4682
Security Headers
Name Value
Content-Security-Policy script-src 'none'

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Response headers

age
6088201
alt-svc
h3=":443"; ma=86400
cache-control
max-age=30758400, public
content-disposition
inline; filename="NoteForwardIcon.png"
content-length
679
content-security-policy
script-src 'none'
content-type
image/png
date
Mon, 05 Aug 2024 01:33:13 GMT
etag
"m65h9uNHK-FCxC53UlBiogZsM_EcNoHNGoMJwwiPMSA/RVy8iMjhkLXNSSGFSdVRCUStSN1Y2dkJRLy9CNGJWRjR2RSI"
expires
Sun, 27 Jul 2025 01:33:13 GMT
server
imgproxy
via
1.1 910fc18161f0602555cc5b6397ca26f2.cloudfront.net (CloudFront)
x-amz-cf-id
vYWAtBEdafPYx85h56jNYO3P-SG5TOhUMj4WEJ9WMq2O6H574DcG1w==
x-amz-cf-pop
FRA56-C1
x-cache
Hit from cloudfront
x-powered-by
Express
x-request-id
8aY_EJfshV8dpGNh2eU0d
favicon.ico
substackcdn.com/
6 KB
6 KB
Other
General
Full URL
https://substackcdn.com/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:7c00:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
0110c2f49d1306a06102917e9303ac55ecf81a1542dce3a6e4fc94df00841213

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://substackcdn.com/image/fetch/w_36,c_scale,f_png,q_auto:good,fl_progressive:steep/https://substack.com/icon/NoteForwardIcon?v=4&height=36&fill=none&stroke=%23808080&strokeWidth=2

Response headers

x-amz-cf-id
PnCl9AIWy3KbFDGtfHPP3zjqWB1PbzTG_s8lJYpFiI_gDhP2HsE9gg==
etag
"bca1df02a0628fc70e30b2da04196f86"
via
1.1 910fc18161f0602555cc5b6397ca26f2.cloudfront.net (CloudFront)
x-amz-error-message
Access Denied
alt-svc
h3=":443"; ma=86400
x-cache
Error from cloudfront
content-length
5672
x-amz-error-code
AccessDenied
date
Mon, 14 Oct 2024 12:43:14 GMT
content-type
text/html
last-modified
Fri, 03 Feb 2023 22:02:04 GMT
server
AmazonS3
x-amz-cf-pop
FRA56-C1

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

1 Console Messages

Source Level URL
Text
network error URL: https://substackcdn.com/favicon.ico
Message:
Failed to load resource: the server responded with a status of 403 ()

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
Content-Security-Policy script-src 'none'

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.

substackcdn.com
2600:9000:206f:7c00:4:b4b9:d3c0:93a1
0110c2f49d1306a06102917e9303ac55ecf81a1542dce3a6e4fc94df00841213
e3ad8e2855c00d1a5a15764f588909f5342a4af9586b0cbf5b3e0408fdde4682