substackcdn.com - urlscan.io

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 4 HTTP transactions. The main IP is 2600:9000:206f:5200:4: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	188.114.97.3 188.114.97.3	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2600:9000:206... 2600:9000:206f:5200:4:b4b9:d3c0:93a1	16509 (AMAZON-02) (AMAZON-02)
4	2

2 188.114.97.3 (Amsterdam, Netherlands)

ASN13335 (CLOUDFLARENET, US)

link.sbstck.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2600:9000:206f:5200:4:b4b9:d3c0:93a1 (United States)

ASN16509 (AMAZON-02, US)

substackcdn.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
2	substackcdn.com substackcdn.com — Cisco Umbrella Rank: 15696	65 KB
2	sbstck.com link.sbstck.com — Cisco Umbrella Rank: 830371	2 KB
4	2

	Domain	Requested by
2	substackcdn.com	link.sbstck.com
2	link.sbstck.com
4	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%2F19f1ca60-dfc5-4b75-912c-abafba72844d_1080x607.jpeg?utm_source=substack&utm_medium=email
Frame ID: EF055334FC3E395AB8665CA88C1127C9
Requests: 4 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

https://substack-post-media.s3.amazonaws.com/public/images/19f1ca60-dfc5-4b75-912c-abafba72844d_1080x607.jpeg (1080×607)

Page URL History Show full URLs

https://link.sbstck.com/redirect/f04d7b06-58c6-4b73-9b6b-9477e705893d?j=eyJ1IjoiNGowMjlyIn0.x9nRn6BG... Page URL
https://substackcdn.com/image/fetch/f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-p... Page URL

Page Statistics

4
Requests

100 %
HTTPS

50 %
IPv6

2
Domains

2
Subdomains

2
IPs

2
Countries

68 kB
Transfer

65 kB
Size

6
Cookies

0 Outgoing links

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

Page URL History

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

https://link.sbstck.com/redirect/f04d7b06-58c6-4b73-9b6b-9477e705893d?j=eyJ1IjoiNGowMjlyIn0.x9nRn6BG54vWtkX4e2U6w4_1ysFa32B88alo3_EPy-M Page 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%2F19f1ca60-dfc5-4b75-912c-abafba72844d_1080x607.jpeg?utm_source=substack&utm_medium=email Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

4 HTTP transactions
0 data transactions

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

GET
H3 200 f04d7b06-58c6-4b73-9b6b-9477e705893d
link.sbstck.com/redirect/ 862 B
2 KB 460ms
439ms Document
text/html 188.114.97.3
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://link.sbstck.com/redirect/f04d7b06-58c6-4b73-9b6b-9477e705893d?j=eyJ1IjoiNGowMjlyIn0.x9nRn6BG54vWtkX4e2U6w4_1ysFa32B88alo3_EPy-M

Protocol

H3

Security

QUIC, , AES_128_GCM

Server

188.114.97.3 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/129.0.0.0 Safari/537.36

Response headers

alt-svc: h3=":443"; ma=86400
cache-control: no-cache
cf-cache-status: DYNAMIC
cf-ray: 8d0dc7c8bdaf6721-AMS
content-encoding: zstd
content-type: text/html; charset=utf-8
date: Fri, 11 Oct 2024 09:21:31 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=2WpuPtmMRo%2BWGjhJPEQ%2B3XzYbUXDgy3XgjeguzEhFc996delJPhuSMWnmPdjCSDKfT94F%2FinDeYmYSOLmDG3DyS3R9rNnHuX5n%2BkJKkH2%2Bb40xnnc5o%2F6CP0Yw86DRljFTk%3D"}],"group":"cf-nel","max_age":604800}
server: cloudflare
speculation-rules: "/cdn-cgi/speculation"
strict-transport-security: max-age=31536000
vary: Accept-Encoding
x-cluster: substack
x-deploy: 252acac11d
x-frame-options: sameorigin
x-powered-by: Express
x-robots-tag: noindex, noarchive, nofollow
x-served-by: Substack
x-service: web

GET
H3 200 speculation
link.sbstck.com/cdn-cgi/ 128 B
556 B 26ms
26ms Other
application/speculationrules+json 188.114.97.3
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://link.sbstck.com/cdn-cgi/speculation
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 188.114.97.3 Amsterdam, Netherlands, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash

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
Origin: https://link.sbstck.com
Referer: https://link.sbstck.com/redirect/f04d7b06-58c6-4b73-9b6b-9477e705893d?j=eyJ1IjoiNGowMjlyIn0.x9nRn6BG54vWtkX4e2U6w4_1ysFa32B88alo3_EPy-M

Response headers

nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=TsywOwfuSxHmXg7TnHkVP%2FKZKUIsJOLo148Q9LHo5AhezUKSgU4EJf0eiUf9dw06QJp2OR2SZqyKVafF00RxL14Uj3QtnT8zwYw55B%2FwlXAq8JtAkj0DTpFP80eiTKg7vKg%3D"}],"group":"cf-nel","max_age":604800}
cf-ray: 8d0dc7cb78c96721-AMS
access-control-allow-origin: https://link.sbstck.com
alt-svc: h3=":443"; ma=86400
content-length: 128
date: Fri, 11 Oct 2024 09:21:31 GMT
content-type: application/speculationrules+json
vary: Origin, Accept-Encoding
server: cloudflare

GET
H2 200 Primary Request https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F19f1ca60-dfc5-4b75-912c-abafba72844d_1080x607.jpeg Show response
substackcdn.com/image/fetch/f_auto,q_auto:good,fl_progressive:steep/ 59 KB
59 KB 78ms
32ms Document
image/jpeg 2600:9000:206f:5200:4:b4b9:d3c0:93a1
AMAZON-02

General

Check archive.org

Show headers 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%2F19f1ca60-dfc5-4b75-912c-abafba72844d_1080x607.jpeg?utm_source=substack&utm_medium=email

Requested by

Host: link.sbstck.com
URL: https://link.sbstck.com/redirect/f04d7b06-58c6-4b73-9b6b-9477e705893d?j=eyJ1IjoiNGowMjlyIn0.x9nRn6BG54vWtkX4e2U6w4_1ysFa32B88alo3_EPy-M

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:206f:5200:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

imgproxy / Express

Resource Hash

e24e744af8f12e50b4b8a4d894bf25ea10bc007c0f34b3430879ff233f44a129

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/129.0.0.0 Safari/537.36

Response headers

age: 4445
alt-svc: h3=":443"; ma=86400
cache-control: public, max-age=31536000
content-disposition: inline; filename="19f1ca60-dfc5-4b75-912c-abafba72844d_1080x607.jpg"
content-length: 60099
content-security-policy: script-src 'none'
content-type: image/jpeg
date: Fri, 11 Oct 2024 08:07:26 GMT
etag: "yj0WO6sFU4GCciYUBWjzvvfqrBh869doeOC2Pp5EI1Y/RIjg5NjM1MWQzOWM0MTliNDA4YTNhMTAwZmU3YmEzNTQyIg"
server: imgproxy
via: 1.1 4f114016fe4d6c05531b0486ec2868be.cloudfront.net (CloudFront)
x-amz-cf-id: Gt-gi9Opuj5UxWFXi4JCil6WN0-_9WDa9LNkQnuFy7id8Oq-4u80vg==
x-amz-cf-pop: FRA56-C1
x-cache: Hit from cloudfront
x-powered-by: Express
x-request-id: _y0YMUpjIdXG2ZwcSgg0G

GET
H2 403 favicon.ico
substackcdn.com/ 6 KB
6 KB 239ms
238ms Other
text/html 2600:9000:206f:5200:4:b4b9:d3c0:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://substackcdn.com/favicon.ico
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:206f:5200:4: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/f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F19f1ca60-dfc5-4b75-912c-abafba72844d_1080x607.jpeg?utm_source=substack&utm_medium=email

Response headers

x-amz-cf-id: P8zrEu3m2Q6VwrYNehNYLHhqnd0Ozt76DpOrzFhCSiSa_g-0DCBWWg==
etag: "bca1df02a0628fc70e30b2da04196f86"
via: 1.1 4f114016fe4d6c05531b0486ec2868be.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: Fri, 11 Oct 2024 09:21:31 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.

6 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
link.sbstck.com/	1970-01-21 00:20:43	Name: AWSALBTG Value: TWDfG7gVEcIvD4MaNqAsZ8Hw4iUxmm6hcIwVTyYjLZvkRZSxX7vD9k/7GWY9L5oRFs++u8zWzLNeEsnPGm4LTRZnLcgaNa0tFVneEamP6MtZWaNBfRdzWcFT2LXXVtUB9SZBzabZ6Gtc5fBflsZO9Kqty4UtoY7KzCgN+Gkcp6e3
link.sbstck.com/	1970-01-21 00:20:43	Name: AWSALBTGCORS Value: TWDfG7gVEcIvD4MaNqAsZ8Hw4iUxmm6hcIwVTyYjLZvkRZSxX7vD9k/7GWY9L5oRFs++u8zWzLNeEsnPGm4LTRZnLcgaNa0tFVneEamP6MtZWaNBfRdzWcFT2LXXVtUB9SZBzabZ6Gtc5fBflsZO9Kqty4UtoY7KzCgN+Gkcp6e3
.link.sbstck.com/	1970-01-21 02:20:14	Name: cookie_storage_key Value: c1c02f71-089d-4403-8283-bbb15c3f7e37
.link.sbstck.com/	1970-01-21 08:56:14	Name: ajs_anonymous_id Value: %22deed27c4-f80b-440e-82b5-7b70bef2ed05%22
.link.sbstck.com/	1970-01-21 00:10:40	Name: visit_id Value: %7B%22id%22%3A%2256645eb5-4abe-4d27-8a7c-347e310e9fbd%22%2C%22timestamp%22%3A%222024-10-11T09%3A21%3A31.328Z%22%7D
.link.sbstck.com/	1970-01-21 08:56:14	Name: ab_testing_id Value: %22or-437265fe-ee87-4121-b337-253a61528b02%22

1 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
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
188.114.97.3
2600:9000:206f:5200:4:b4b9:d3c0:93a1
0110c2f49d1306a06102917e9303ac55ecf81a1542dce3a6e4fc94df00841213
e24e744af8f12e50b4b8a4d894bf25ea10bc007c0f34b3430879ff233f44a129

substackcdn.com Open in urlscan Pro 2600:9000:206f:5200:4:b4b9:d3c0:93a1 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

4 Requests

100 %HTTPS

50 %IPv6

2 Domains

2 Subdomains

2 IPs

2 Countries

68 kBTransfer

65 kBSize

6 Cookies

0 Outgoing links

Page URL History

Redirected requests

4 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

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

6 Cookies

1 Console Messages

Security Headers

Indicators

substackcdn.com Open in urlscan Pro
2600:9000:206f:5200:4:b4b9:d3c0:93a1 Public Scan

Screenshot
Live screenshot

Full Image

4
Requests

100 %
HTTPS

50 %
IPv6

2
Domains

2
Subdomains

2
IPs

2
Countries

68 kB
Transfer

65 kB
Size

6
Cookies

4 HTTP transactions
0 data transactions