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substackcdn.com Open in urlscan Pro
2600:9000:206f:a000:4:b4b9:d3c0:93a1  Public Scan

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URL: https://substackcdn.com/bundle/assets/debounce-fbac37e0.js
Submission: On May 16 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 2 HTTP transactions. The main IP is 2600:9000:206f:a000:4: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 16888.
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: 16888
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/bundle/assets/debounce-fbac37e0.js
Frame ID: 11D459552C1E310561B03175A1B92433
Requests: 2 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Statistics

2
Requests

100 %
HTTPS

100 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

7 kB
Transfer

7 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 debounce-fbac37e0.js
substackcdn.com/bundle/assets/ 		2 KB
1 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://substackcdn.com/bundle/assets/debounce-fbac37e0.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:a000:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
b97b570fce419d48edaec409828a47a3b5fc38eaa03e59d7539e46df536b610e

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

alt-svc
h3=":443"; ma=86400
cache-control
public, max-age=31536000, immutable
content-encoding
br
content-type
application/javascript
date
Thu, 16 May 2024 12:58:56 GMT
etag
W/"9bba3c19e4e782ccd4b52c8ddd8277f7"
last-modified
Fri, 01 Mar 2024 02:20:47 GMT
server
AmazonS3
vary
Accept-Encoding Origin
via
1.1 28ccbefb54459137bb0b0d946fd75e48.cloudfront.net (CloudFront)
x-amz-cf-id
o32h0hzvbxP584pmNZkx2pwDQfWoLPrAsmMHMb8m6nvpAkfj8nt6kA==
x-amz-cf-pop
FRA56-C1
x-amz-expiration
expiry-date="Thu, 29 Aug 2024 00:00:00 GMT", rule-id="StaticAssetIntelligentTiering"
x-amz-server-side-encryption
AES256
x-cache
Miss from cloudfront
favicon.ico
substackcdn.com/ 		6 KB
6 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://substackcdn.com/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:a000:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
0110c2f49d1306a06102917e9303ac55ecf81a1542dce3a6e4fc94df00841213

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://substackcdn.com/bundle/assets/debounce-fbac37e0.js
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Thu, 16 May 2024 12:58:55 GMT
x-amz-error-code
AccessDenied
via
1.1 28ccbefb54459137bb0b0d946fd75e48.cloudfront.net (CloudFront)
last-modified
Fri, 03 Feb 2023 22:02:04 GMT
server
AmazonS3
x-amz-cf-pop
FRA56-C1
etag
"bca1df02a0628fc70e30b2da04196f86"
x-amz-error-message
Access Denied
content-type
text/html
x-cache
Error from cloudfront
alt-svc
h3=":443"; ma=86400
content-length
5672
x-amz-cf-id
mQHR35Fwv1w85V2DNGXkv0Tq9aj7XqB8Hij85Ax2HzsW5kebN7C5fg==

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 ()

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:a000:4:b4b9:d3c0:93a1
0110c2f49d1306a06102917e9303ac55ecf81a1542dce3a6e4fc94df00841213
b97b570fce419d48edaec409828a47a3b5fc38eaa03e59d7539e46df536b610e