urlscan.io logo urlscan.io
SecurityTrails logo

substackcdn.com Open in urlscan Pro
2600:9000:237d:a400:4:b4b9:d3c0:93a1  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: https://link.sbstck.com/redirect/ef93da99-506e-431f-a7c6-26bb70ab4f46?j=eyJ1IjoiZ2ZoZWkifQ.wjM1jhfX0kh2oXv7qObmSYruiomIB...
Effective URL: https://substackcdn.com/image/fetch/f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazona...
Submission: On August 29 via api from BE — Scanned from NL
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 3 HTTP transactions. The main IP is 2600:9000:237d:a400:4: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 19777.
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
1 188.114.96.3 13335 (CLOUDFLAR...)
2 2600:9000:237... 16509 (AMAZON-02)
3 2
Apex Domain
Subdomains		 Transfer
2 substackcdn.com
substackcdn.com — Cisco Umbrella Rank: 19777
70 KB
1 sbstck.com
link.sbstck.com
2 KB
3 2
Domain Requested by
2 substackcdn.com link.sbstck.com
1 link.sbstck.com
3 2

This site contains no links.

Subject Issuer Validity Valid
sbstck.com
WE1		 2024-08-17 -
2024-11-15		 3 months crt.sh
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/f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9678c07d-6622-40d3-90c7-c606a5cec305_760x506.webp?utm_source=substack&utm_medium=email
Frame ID: 5224332FEBC81313E81F0C7FB2EC9A60
Requests: 3 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

https://substack-post-media.s3.amazonaws.com/public/images/9678c07d-6622-40d3-90c7-c606a5cec305_760x506.webp (760×506)

Page URL History Show full URLs

  1. https://link.sbstck.com/redirect/ef93da99-506e-431f-a7c6-26bb70ab4f46?j=eyJ1IjoiZ2ZoZWkifQ.wjM1jhfX0... Page URL
  2. https://substackcdn.com/image/fetch/f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-p... Page URL

Page Statistics

3
Requests

100 %
HTTPS

50 %
IPv6

2
Domains

2
Subdomains

2
IPs

2
Countries

72 kB
Transfer

70 kB
Size

6
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. https://link.sbstck.com/redirect/ef93da99-506e-431f-a7c6-26bb70ab4f46?j=eyJ1IjoiZ2ZoZWkifQ.wjM1jhfX0kh2oXv7qObmSYruiomIBsGM53qw5tGlMNE Page URL
  2. https://substackcdn.com/image/fetch/f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9678c07d-6622-40d3-90c7-c606a5cec305_760x506.webp?utm_source=substack&utm_medium=email Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

3 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
ef93da99-506e-431f-a7c6-26bb70ab4f46
link.sbstck.com/redirect/ 		859 B
2 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://link.sbstck.com/redirect/ef93da99-506e-431f-a7c6-26bb70ab4f46?j=eyJ1IjoiZ2ZoZWkifQ.wjM1jhfX0kh2oXv7qObmSYruiomIBsGM53qw5tGlMNE
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
188.114.96.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
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/128.0.0.0 Safari/537.36

Response headers

alt-svc
h3=":443"; ma=86400
cache-control
no-cache
cf-cache-status
DYNAMIC
cf-ray
8bac17a01871bbe6-FRA
content-encoding
br
content-type
text/html; charset=utf-8
date
Thu, 29 Aug 2024 11:10:02 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=TeKGU8a%2Bwch3NUkM2dS%2FgbmbkZ%2F2%2BlxkIu0JJsC476%2FQRa30XnRN03mN54%2B6GUwqpuP689dBFSMZ2lcJ8jWh3TUuyt6AVEUMe7EOznlGJQn2yEzvSyjPCwUqe2PGEour2vE%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
strict-transport-security
max-age=31536000
vary
Accept-Encoding
x-cluster
substack
x-deploy
d8a388d06e
x-frame-options
sameorigin
x-powered-by
Express
x-robots-tag
noindex, noarchive, nofollow
x-served-by
Substack
x-service
web
Primary Request https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9678c07d-6622-40d3-90c7-c606a5cec305_760x506.webp
substackcdn.com/image/fetch/f_auto,q_auto:good,fl_progressive:steep/ 		63 KB
64 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://substackcdn.com/image/fetch/f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9678c07d-6622-40d3-90c7-c606a5cec305_760x506.webp?utm_source=substack&utm_medium=email
Requested by
Host: link.sbstck.com
URL: https://link.sbstck.com/redirect/ef93da99-506e-431f-a7c6-26bb70ab4f46?j=eyJ1IjoiZ2ZoZWkifQ.wjM1jhfX0kh2oXv7qObmSYruiomIBsGM53qw5tGlMNE
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:237d:a400:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
imgproxy / Express
Resource Hash
530d7e9ae57f896bd2f073e8ce9974c34880e94f9d9aa5b826f8412c95ef776a
Security Headers
Name Value
Content-Security-Policy script-src 'none'

Request headers

Referer
https://link.sbstck.com/
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

age
6700
alt-svc
h3=":443"; ma=86400
cache-control
public, max-age=31536000
content-disposition
inline; filename="9678c07d-6622-40d3-90c7-c606a5cec305_760x506.jpg"
content-length
64892
content-security-policy
script-src 'none'
content-type
image/jpeg
date
Thu, 29 Aug 2024 09:18:23 GMT
etag
"yj0WO6sFU4GCciYUBWjzvvfqrBh869doeOC2Pp5EI1Y/RIjkyZjFhNzk3MDhlMjE0ZjVjMzM3YzI3N2JjZmJiM2E4Ig"
server
imgproxy
via
1.1 d2e8c709d1f79bde6ed8f833f02bdd34.cloudfront.net (CloudFront)
x-amz-cf-id
PvQp7jexJKQzUyeTEUqkDHJUFeGFIJRFbgsCfWJaHX0-UdB_j7zSSw==
x-amz-cf-pop
MUC50-P2
x-cache
Hit from cloudfront
x-powered-by
Express
x-request-id
iNtuFEdujzkac4jyauQRC
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
2600:9000:237d:a400:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
0110c2f49d1306a06102917e9303ac55ecf81a1542dce3a6e4fc94df00841213

Request headers

Referer
https://substackcdn.com/image/fetch/f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F9678c07d-6622-40d3-90c7-c606a5cec305_760x506.webp?utm_source=substack&utm_medium=email
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

date
Thu, 29 Aug 2024 11:10:02 GMT
x-amz-error-code
AccessDenied
via
1.1 d2e8c709d1f79bde6ed8f833f02bdd34.cloudfront.net (CloudFront)
last-modified
Fri, 03 Feb 2023 22:02:04 GMT
server
AmazonS3
x-amz-cf-pop
MUC50-P2
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
M55BYkgi23_ZGQPFl9nax792wh6PLye9VXRB599llwvlalP1ZERniA==

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.

6 Cookies

Domain/Path Name / Value
link.sbstck.com/ Name: AWSALBTG
Value: doJODih8WizLtq8GTikI2Lqm8LQ+uyWDiWjE3Ap2Wn2BvVHLlgfe2oP7XYN3iZCPjGSfizP8+251SQ4Mgs0EQyr3M5tKyjXgd3VwdJmyxIi5HgEnVweqOGlpzWot+lhBFX5+j8OHpNYDV2NGh1guK1zdWeOj2HEfz+nVwjPf16CF
link.sbstck.com/ Name: AWSALBTGCORS
Value: doJODih8WizLtq8GTikI2Lqm8LQ+uyWDiWjE3Ap2Wn2BvVHLlgfe2oP7XYN3iZCPjGSfizP8+251SQ4Mgs0EQyr3M5tKyjXgd3VwdJmyxIi5HgEnVweqOGlpzWot+lhBFX5+j8OHpNYDV2NGh1guK1zdWeOj2HEfz+nVwjPf16CF
.link.sbstck.com/ Name: cookie_storage_key
Value: 222cf311-82d4-4f01-a1c5-544faf766eae
.link.sbstck.com/ Name: ajs_anonymous_id
Value: %229e91b291-8f5e-457d-96f9-545cf4d93e54%22
.link.sbstck.com/ Name: visit_id
Value: %7B%22id%22%3A%22467744ea-47ba-4543-9f7a-c3607ab8cf1f%22%2C%22timestamp%22%3A%222024-08-29T11%3A10%3A02.609Z%22%7D
.link.sbstck.com/ Name: ab_testing_id
Value: %22or-7a98f878-d673-4164-b4ae-78b47958aad1%22

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
Strict-Transport-Security max-age=31536000
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.

link.sbstck.com
substackcdn.com
188.114.96.3
2600:9000:237d:a400:4:b4b9:d3c0:93a1
0110c2f49d1306a06102917e9303ac55ecf81a1542dce3a6e4fc94df00841213
530d7e9ae57f896bd2f073e8ce9974c34880e94f9d9aa5b826f8412c95ef776a