urlscan.io logo urlscan.io
SecurityTrails logo

blog.fennel.ai Open in urlscan Pro
2606:4700::6812:1484  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://blog.fennel.ai/
Effective URL: https://blog.fennel.ai/
Submission: On April 11 via manual from US — Scanned from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 6 IPs in 1 countries across 4 domains to perform 16 HTTP transactions. The main IP is 2606:4700::6812:1484, located in United States and belongs to CLOUDFLARENET, US. The main domain is blog.fennel.ai.
TLS certificate: Issued by Cloudflare Inc ECC CA-3 on April 11th 2022. Valid for: a year.
This is the only time blog.fennel.ai was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 5 2606:4700::68... 13335 (CLOUDFLAR...)
5 2600:9000:230... 16509 (AMAZON-02)
2 2a04:4e42:600... 54113 (FASTLY)
3 2606:4700::68... 13335 (CLOUDFLAR...)
1 2607:f8b0:400... 15169 (GOOGLE)
16 6
5    2606:4700::6812:1484 (United States)

ASN13335 (CLOUDFLARENET, US)
blog.fennel.ai
5    2600:9000:2305:2200:3:e0f8:540:93a1 (United States)

ASN16509 (AMAZON-02, US)
cdn.substack.com
2    2a04:4e42:600::729 (United States)

ASN54113 (FASTLY, US)
js.sentry-cdn.com
3    2606:4700::6812:1c9 (United States)

ASN13335 (CLOUDFLARENET, US)
substack.com
1    2607:f8b0:4006:80e::2008 (United States)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
Apex Domain
Subdomains		 Transfer
8 substack.com
cdn.substack.com — Cisco Umbrella Rank: 26671
substack.com — Cisco Umbrella Rank: 18840 Failed
1 MB
5 fennel.ai
blog.fennel.ai
19 KB
2 sentry-cdn.com
js.sentry-cdn.com — Cisco Umbrella Rank: 5009
2 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 71
66 KB
16 4
Domain Requested by
5 cdn.substack.com blog.fennel.ai
substack.com
5 blog.fennel.ai 1 redirects blog.fennel.ai
3 substack.com cdn.substack.com
substack.com
2 js.sentry-cdn.com blog.fennel.ai
substack.com
1 www.googletagmanager.com cdn.substack.com
16 5

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

Domain
substack.com
Subject Issuer Validity Valid
blog.fennel.ai
Cloudflare Inc ECC CA-3		 2022-04-11 -
2023-04-11		 a year crt.sh
substack.com
Amazon		 2021-12-07 -
2023-01-04		 a year crt.sh
*.sentry-cdn.com
GlobalSign Atlas R3 DV TLS CA H2 2021		 2021-11-26 -
2022-12-28		 a year crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2021-11-13 -
2022-11-12		 a year crt.sh
*.google-analytics.com
GTS CA 1C3		 2022-03-21 -
2022-06-13		 3 months crt.sh

This page contains 3 frames:

Primary Page: https://blog.fennel.ai/
Frame ID: F558A0A890538216EAEDE37B09264924
Requests: 8 HTTP requests in this frame

Frame: https://substack.com/channel-frame
Frame ID: DAB3B46B9E909E828110A33C5363E97F
Requests: 1 HTTP requests in this frame

Frame: https://substack.com/channel-frame
Frame ID: AA01342659B3CF24CED4171DF0420124
Requests: 7 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Fennel AI | SubstackCommentShareShare

Page URL History Show full URLs

  1. http://blog.fennel.ai/ HTTP 301
    https://blog.fennel.ai/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js

Page Statistics

16
Requests

94 %
HTTPS

100 %
IPv6

4
Domains

5
Subdomains

6
IPs

1
Countries

1119 kB
Transfer

4412 kB
Size

5
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. http://blog.fennel.ai/ HTTP 301
    https://blog.fennel.ai/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

16 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
blog.fennel.ai/
Redirect Chain
  • http://blog.fennel.ai/
  • https://blog.fennel.ai/
87 KB
17 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://blog.fennel.ai/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:1484 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
bb2823e0268a53019341023b7553b908c29eb7c76955bed3caff400c7e3938c6
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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36
accept-language
en-US,en;q=0.9

Response headers

cache-control
no-cache
cf-cache-status
EXPIRED
cf-ray
6fa6a049cb63e708-EWR
content-encoding
gzip
content-type
text/html; charset=utf-8
date
Mon, 11 Apr 2022 20:55:57 GMT
etag
W/"15a0d-4CBvAT/MaFODR+5sw73WYSwYWu4"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
server
cloudflare
strict-transport-security
max-age=31536000
vary
Accept-Encoding
via
1.1 vegur
x-cluster
substack
x-frame-options
sameorigin
x-powered-by
Express
x-served-by
Substack

Redirect headers

CF-Cache-Status
EXPIRED
CF-Ray
6fa6a04878f51a30-EWR
Connection
keep-alive
Content-Length
102
Content-Type
text/html; charset=utf-8
Date
Mon, 11 Apr 2022 20:55:57 GMT
Location
https://blog.fennel.ai/
Server
cloudflare
Vary
Accept, Accept-Encoding
Via
1.1 vegur
X-Cluster
substack
X-Powered-By
Express
X-Served-By
Substack
main.css
cdn.substack.com/theme/ 		528 KB
69 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://cdn.substack.com/theme/main.css?v=839742560a11f167e79db252bd569018
Requested by
Host: blog.fennel.ai
URL: https://blog.fennel.ai/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2305:2200:3:e0f8:540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Cowboy / Express
Resource Hash
5536c8924f274fd73f846252d8bd30b2fb22eb505ac34e9fe3efafa717fa54fa
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-US,en;q=0.9
Referer
https://blog.fennel.ai/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
x-cluster
substack
etag
W/"840cd-mlOe6CWACzGEZIxK86m5y+GwHaU"
age
72
x-powered-by
Express
x-cache
Hit from cloudfront
content-encoding
gzip
x-served-by
Substack
server
Cowboy
date
Mon, 11 Apr 2022 20:54:46 GMT
vary
Accept-Encoding
content-type
text/css; charset=utf-8
via
1.1 vegur, 1.1 41498907366f3804198b1abc90c08490.cloudfront.net (CloudFront)
cache-control
public, max-age=31557600
x-amz-cf-pop
IAD89-P2
x-amz-cf-id
Kte_r07DhpWC5TIgzy9eWp1nDR6aE8u3I8Fcaqow_flghSWVwEHfCw==
https%3A%2F%2Fbucketeer-e05bbc84-baa3-437e-9518-adb32be77984.s3.amazonaws.com%2Fpublic%2Fimages%2F1cacae00-cc59-46b1-bac2-71eeb72828ac_960x720.jpeg
cdn.substack.com/image/fetch/w_900,c_limit,f_webp,q_auto:good,fl_progressive:steep/ 		13 KB
13 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://cdn.substack.com/image/fetch/w_900,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fbucketeer-e05bbc84-baa3-437e-9518-adb32be77984.s3.amazonaws.com%2Fpublic%2Fimages%2F1cacae00-cc59-46b1-bac2-71eeb72828ac_960x720.jpeg
Requested by
Host: blog.fennel.ai
URL: https://blog.fennel.ai/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2305:2200:3:e0f8:540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
imgix /
Resource Hash
5e1fba08d30428644ea8d572ed445b1f919acc99488093fbee5448569188f081
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
en-US,en;q=0.9
Referer
https://blog.fennel.ai/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

date
Mon, 11 Apr 2022 18:27:13 GMT
via
1.1 41498907366f3804198b1abc90c08490.cloudfront.net (CloudFront)
x-content-type-options
nosniff
age
9002
x-cache
Hit from cloudfront
x-imgix-id
c2714a6d12dde2ef9386228eb33688f19766e399
content-length
13324
x-served-by
cache-sjc10080-SJC, cache-iad-kcgs7200134-IAD
last-modified
Mon, 11 Apr 2022 18:25:56 GMT
server
imgix
content-type
image/webp
access-control-allow-origin
*
cache-control
public, max-age=31536000
x-amz-cf-pop
IAD89-P2
accept-ranges
bytes
x-amz-cf-id
IdqwoLkmD4DIysGC14lffWfMjFLn3_9MzxILlUYu1OmvM3Yu0hINMA==
cross-origin-resource-policy
cross-origin
c41771aeccbb43fbbffbc4755e65c9be.min.js
js.sentry-cdn.com/ 		2 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://js.sentry-cdn.com/c41771aeccbb43fbbffbc4755e65c9be.min.js
Requested by
Host: blog.fennel.ai
URL: https://blog.fennel.ai/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:600::729 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
9311c59f80d18ccc468da494ed95557db631981eadf986a72cef04f93815f516
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options deny
X-Xss-Protection 1; mode=block

Request headers

Referer
https://blog.fennel.ai/
Origin
https://blog.fennel.ai
accept-language
en-US,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

date
Mon, 11 Apr 2022 20:55:57 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
26
x-envoy-upstream-service-time
10
vary
Accept-Encoding
content-length
1018
x-xss-protection
1; mode=block
x-served-by
getsentry-web-default-production-644f947c9-qkwxh, cache-ord1725-ORD, cache-ewr18156-EWR
x-frame-options
deny
strict-transport-security
max-age=31536000; includeSubDomains
content-type
text/javascript
access-control-allow-origin
*
cache-control
public, max-age=3600, s-maxage=60, stale-while-revalidate=315360000, stale-if-error=315360000
x-envoy-attempt-count
1
accept-ranges
bytes
main.bundle.js
cdn.substack.com/min/ 		1 MB
409 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.substack.com/min/main.bundle.js?v=1580ea-1801a586ba0
Requested by
Host: blog.fennel.ai
URL: https://blog.fennel.ai/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2305:2200:3:e0f8:540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Cowboy / Express
Resource Hash
e36c07bda0377a03f280a26498e963836f45f6e27b8439bc4bc262cae12b3265
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-US,en;q=0.9
Referer
https://blog.fennel.ai/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
x-cluster
substack
etag
W/"1580ea-1801a586ba0"
age
71
x-powered-by
Express
x-cache
Hit from cloudfront
content-encoding
gzip
x-served-by
Substack
last-modified
Mon, 11 Apr 2022 20:37:24 GMT
server
Cowboy
date
Mon, 11 Apr 2022 20:54:47 GMT
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
via
1.1 vegur, 1.1 41498907366f3804198b1abc90c08490.cloudfront.net (CloudFront)
cache-control
public, max-age=31536000000
x-amz-cf-pop
IAD89-P2
x-amz-cf-id
rFmSYw9rS6FvPiuF0kekWQeJlYCR4OEkJWwbmwF-E9cDmlZEvxsPVQ==
channel-frame
substack.com/ Frame DAB3 		0
0
channel-frame
substack.com/ Frame AA01 		22 KB
6 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://substack.com/channel-frame
Requested by
Host: cdn.substack.com
URL: https://cdn.substack.com/min/main.bundle.js?v=1580ea-1801a586ba0
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:1c9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
6e022eb059af3c8b6171f40a1e77376755babe8ff75b8496578e2cff7a51eb97
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://blog.fennel.ai/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36
accept-language
en-US,en;q=0.9

Response headers

alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
cache-control
no-cache
cf-cache-status
DYNAMIC
cf-ray
6fa6a04f4c04efd4-EWR
content-encoding
gzip
content-type
text/html; charset=utf-8
date
Mon, 11 Apr 2022 20:55:58 GMT
etag
W/"5931-oUgiJW8HR33uYQCQL7Gl4qqYXZg"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
server
cloudflare
strict-transport-security
max-age=31536000
vary
Accept-Encoding
via
1.1 vegur
x-cluster
substack
x-powered-by
Express
x-served-by
Substack
firehose
blog.fennel.ai/api/v1/ 		35 B
402 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://blog.fennel.ai/api/v1/firehose?_=1649710558417&d=eyJldmVudCI6InBhZ2VzIiwicHJvcGVydGllcyI6eyJicm93c2VyU2Vzc2lvbklkIjoiczBwYmt1ODl5cGIiLCJpZnJhbWVWaXNpdElkIjpmYWxzZX0sImNvbnRleHQiOnsiY2xpZW50X3R5cGUiOiJ3ZWIiLCJwYWdlIjp7InJlZmVycmVyIjoiIiwidGl0bGUiOiJGZW5uZWwgQUkgfCBTdWJzdGFjayIsInVybCI6Imh0dHBzOi8vYmxvZy5mZW5uZWwuYWkvIn19fQ%3D%3D
Requested by
Host: blog.fennel.ai
URL: https://blog.fennel.ai/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:1484 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
6adc3d4c1056996e4e8b765a62604c78b1f867cceb3b15d0b9bedb7c4857f992
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-US,en;q=0.9
Referer
https://blog.fennel.ai/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

date
Mon, 11 Apr 2022 20:55:58 GMT
via
1.1 vegur
cf-cache-status
DYNAMIC
x-cluster
substack
server
cloudflare
x-powered-by
Express
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/gif
cache-control
no-cache
strict-transport-security
max-age=31536000
cf-ray
6fa6a04f49a9e708-EWR
content-length
35
x-served-by
Substack
firehose
blog.fennel.ai/api/v1/ 		35 B
564 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://blog.fennel.ai/api/v1/firehose?_=1649710558592&d=eyJldmVudCI6IkNvdmVyIFBhZ2UgU2hvd24iLCJwcm9wZXJ0aWVzIjp7ImJyb3dzZXJTZXNzaW9uSWQiOiJzMHBia3U4OXlwYiIsImlmcmFtZVZpc2l0SWQiOmZhbHNlLCJoYXNfY292ZXJfcGhvdG8iOmZhbHNlfSwiY29udGV4dCI6eyJjbGllbnRfdHlwZSI6IndlYiIsInBhZ2UiOnsicmVmZXJyZXIiOiIiLCJ0aXRsZSI6IkZlbm5lbCBBSSB8IFN1YnN0YWNrIiwidXJsIjoiaHR0cHM6Ly9ibG9nLmZlbm5lbC5haS8ifX19
Requested by
Host: blog.fennel.ai
URL: https://blog.fennel.ai/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:1484 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
6adc3d4c1056996e4e8b765a62604c78b1f867cceb3b15d0b9bedb7c4857f992
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-US,en;q=0.9
Referer
https://blog.fennel.ai/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

date
Mon, 11 Apr 2022 20:55:58 GMT
via
1.1 vegur
cf-cache-status
DYNAMIC
x-cluster
substack
server
cloudflare
x-powered-by
Express
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/gif
cache-control
no-cache
strict-transport-security
max-age=31536000
cf-ray
6fa6a04f59c9e708-EWR
content-length
35
x-served-by
Substack
substack.css
cdn.substack.com/theme/ Frame AA01 		698 KB
92 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://cdn.substack.com/theme/substack.css?v=d0c887b6092d888f9d220b875f68b8dd
Requested by
Host: substack.com
URL: https://substack.com/channel-frame
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2305:2200:3:e0f8:540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Cowboy / Express
Resource Hash
e0160bcee64b3af856a1263e5c01843062a1d3aa3770eaa52fe17fc57de05bb2
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-US,en;q=0.9
Referer
https://substack.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
x-cluster
substack
etag
W/"ae8e1-asAlbIEl4Gv7nWivi2ko9yov4P0"
age
71
x-powered-by
Express
x-cache
Hit from cloudfront
content-encoding
gzip
x-served-by
Substack
server
Cowboy
date
Mon, 11 Apr 2022 20:54:47 GMT
vary
Accept-Encoding
content-type
text/css; charset=utf-8
via
1.1 vegur, 1.1 41498907366f3804198b1abc90c08490.cloudfront.net (CloudFront)
cache-control
public, max-age=31557600
x-amz-cf-pop
IAD89-P2
x-amz-cf-id
TOsn-L4Rg_hYAVQ8QP-ChgTAATnAtHcyRIAk2QOG-egl29n6bGRKHw==
c41771aeccbb43fbbffbc4755e65c9be.min.js
js.sentry-cdn.com/ Frame AA01 		2 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://js.sentry-cdn.com/c41771aeccbb43fbbffbc4755e65c9be.min.js
Requested by
Host: substack.com
URL: https://substack.com/channel-frame
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:600::729 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
9311c59f80d18ccc468da494ed95557db631981eadf986a72cef04f93815f516
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options deny
X-Xss-Protection 1; mode=block

Request headers

Referer
https://substack.com/
Origin
https://substack.com
accept-language
en-US,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

date
Mon, 11 Apr 2022 20:55:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
27
x-envoy-upstream-service-time
10
vary
Accept-Encoding
content-length
1018
x-xss-protection
1; mode=block
x-served-by
getsentry-web-default-production-644f947c9-qkwxh, cache-ord1725-ORD, cache-ewr18156-EWR
x-frame-options
deny
strict-transport-security
max-age=31536000; includeSubDomains
content-type
text/javascript
access-control-allow-origin
*
cache-control
public, max-age=3600, s-maxage=60, stale-while-revalidate=315360000, stale-if-error=315360000
x-envoy-attempt-count
1
accept-ranges
bytes
substack.bundle.js
cdn.substack.com/min/ Frame AA01 		1 MB
442 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.substack.com/min/substack.bundle.js?v=178b05-1801a586ba0
Requested by
Host: substack.com
URL: https://substack.com/channel-frame
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2305:2200:3:e0f8:540:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Cowboy / Express
Resource Hash
d6366d213c1ea5cbe5a7fba7cf67b2fc6dade855296bd8f6f800ccdcb228f5ff
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-US,en;q=0.9
Referer
https://substack.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
x-cluster
substack
etag
W/"178b05-1801a586ba0"
age
71
x-powered-by
Express
x-cache
Hit from cloudfront
content-encoding
gzip
x-served-by
Substack
last-modified
Mon, 11 Apr 2022 20:37:24 GMT
server
Cowboy
date
Mon, 11 Apr 2022 20:54:47 GMT
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
via
1.1 vegur, 1.1 41498907366f3804198b1abc90c08490.cloudfront.net (CloudFront)
cache-control
public, max-age=31536000000
x-amz-cf-pop
IAD89-P2
x-amz-cf-id
YnDofEsjC3zNV_YA1ThtIZ51mXL9_mkcD45TzqDZjdFUl2PZlggZAw==
firehose
substack.com/api/v1/ Frame AA01 		35 B
530 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://substack.com/api/v1/firehose?_=1649710558824&d=eyJldmVudCI6InBhZ2VzIiwicHJvcGVydGllcyI6eyJicm93c2VyU2Vzc2lvbklkIjoiM2lyZmljNjBuOGsiLCJpZnJhbWVWaXNpdElkIjp7ImlkIjoiNDhkMzU5MzUtZmZhOC00ZTdiLTk3NmEtZTYzODAyZTIyZGViIiwidGltZXN0YW1wIjoiMjAyMi0wNC0xMVQyMDo1NTo1OC44MjNaIn19LCJjb250ZXh0Ijp7ImNsaWVudF90eXBlIjoid2ViIiwicGFnZSI6eyJyZWZlcnJlciI6Imh0dHBzOi8vYmxvZy5mZW5uZWwuYWkvIiwidGl0bGUiOiJTdWJzdGFjayAtIFN0YXJ0IGEgcGFpZCBuZXdzbGV0dGVyIiwidXJsIjoiaHR0cHM6Ly9zdWJzdGFjay5jb20vY2hhbm5lbC1mcmFtZSJ9fX0%3D
Requested by
Host: substack.com
URL: https://substack.com/channel-frame
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:1c9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
6adc3d4c1056996e4e8b765a62604c78b1f867cceb3b15d0b9bedb7c4857f992
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-US,en;q=0.9
Referer
https://substack.com/channel-frame
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

date
Mon, 11 Apr 2022 20:55:58 GMT
via
1.1 vegur
cf-cache-status
DYNAMIC
x-cluster
substack
server
cloudflare
x-powered-by
Express
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/gif
cache-control
no-cache
strict-transport-security
max-age=31536000
cf-ray
6fa6a0511e22efd4-EWR
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
35
x-served-by
Substack
firehose
substack.com/api/v1/ Frame AA01 		35 B
541 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://substack.com/api/v1/firehose?_=1649710558881&d=eyJldmVudCI6IkZyYW1lIG1lc3NhZ2Ugc2VudCIsInByb3BlcnRpZXMiOnsiYnJvd3NlclNlc3Npb25JZCI6IjNpcmZpYzYwbjhrIiwiaWZyYW1lVmlzaXRJZCI6eyJpZCI6IjQ4ZDM1OTM1LWZmYTgtNGU3Yi05NzZhLWU2MzgwMmUyMmRlYiIsInRpbWVzdGFtcCI6IjIwMjItMDQtMTFUMjA6NTU6NTguODIzWiJ9fSwiY29udGV4dCI6eyJjbGllbnRfdHlwZSI6IndlYiIsInBhZ2UiOnsicmVmZXJyZXIiOiJodHRwczovL2Jsb2cuZmVubmVsLmFpLyIsInRpdGxlIjoiU3Vic3RhY2sgLSBTdGFydCBhIHBhaWQgbmV3c2xldHRlciIsInVybCI6Imh0dHBzOi8vc3Vic3RhY2suY29tL2NoYW5uZWwtZnJhbWUifX19
Requested by
Host: substack.com
URL: https://substack.com/channel-frame
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:1c9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
6adc3d4c1056996e4e8b765a62604c78b1f867cceb3b15d0b9bedb7c4857f992
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-US,en;q=0.9
Referer
https://substack.com/channel-frame
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

date
Mon, 11 Apr 2022 20:55:59 GMT
via
1.1 vegur
cf-cache-status
DYNAMIC
x-cluster
substack
server
cloudflare
x-powered-by
Express
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/gif
cache-control
no-cache
strict-transport-security
max-age=31536000
cf-ray
6fa6a0511e23efd4-EWR
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
35
x-served-by
Substack
firehose
blog.fennel.ai/api/v1/ 		35 B
97 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://blog.fennel.ai/api/v1/firehose?_=1649710558945&d=eyJldmVudCI6IkZyYW1lIG1lc3NhZ2UgaGFuZGxlZCIsInByb3BlcnRpZXMiOnsiYnJvd3NlclNlc3Npb25JZCI6InMwcGJrdTg5eXBiIiwiaWZyYW1lVmlzaXRJZCI6ZmFsc2UsImxvZ2dlZEluQXRTdWJzdGFjayI6ZmFsc2UsImxvZ2dlZEluQXRDdXN0b21Eb21haW4iOmZhbHNlLCJhdHRlbXB0UmVkaXJlY3QiOmZhbHNlfSwiY29udGV4dCI6eyJjbGllbnRfdHlwZSI6IndlYiIsInBhZ2UiOnsicmVmZXJyZXIiOiIiLCJ0aXRsZSI6IkZlbm5lbCBBSSB8IFN1YnN0YWNrIiwidXJsIjoiaHR0cHM6Ly9ibG9nLmZlbm5lbC5haS8ifX19
Requested by
Host: blog.fennel.ai
URL: https://blog.fennel.ai/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:1484 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
6adc3d4c1056996e4e8b765a62604c78b1f867cceb3b15d0b9bedb7c4857f992
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-US,en;q=0.9
Referer
https://blog.fennel.ai/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

date
Mon, 11 Apr 2022 20:55:58 GMT
via
1.1 vegur
cf-cache-status
DYNAMIC
x-cluster
substack
server
cloudflare
x-powered-by
Express
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/gif
cache-control
no-cache
strict-transport-security
max-age=31536000
cf-ray
6fa6a0517c1ae708-EWR
content-length
35
x-served-by
Substack
js
www.googletagmanager.com/gtag/ Frame AA01 		177 KB
66 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=G-TLW0DF6G5V&l=localGaDataLayer
Requested by
Host: cdn.substack.com
URL: https://cdn.substack.com/min/substack.bundle.js?v=178b05-1801a586ba0
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:4006:80e::2008 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
c7c7b0149ac967bda3128ee4d931b04fdedbbdbafdb0d9f27e5bafbe5b67e9e5
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
en-US,en;q=0.9
Referer
https://substack.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Response headers

date
Mon, 11 Apr 2022 20:55:59 GMT
content-encoding
br
server
Google Tag Manager
access-control-allow-headers
Cache-Control
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
strict-transport-security
max-age=31536000; includeSubDomains
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
66684
x-xss-protection
0
expires
Mon, 11 Apr 2022 20:55:59 GMT

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
substack.com
URL
https://substack.com/channel-frame

Verdicts & Comments Add Verdict or Comment

26 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.

object| 0 function| structuredClone object| oncontextlost object| oncontextrestored function| getScreenDetails function| balanceText object| Sentry object| _preloads object| _analyticsConfig function| Sn function| An function| In function| gn function| bn function| En function| Pn function| On function| Cn function| wn function| Dn object| IntlPolyfill function| setImmediate function| clearImmediate object| regeneratorRuntime function| I function| __captchaOnloadCallback

5 Cookies

Domain/Path Name / Value
blog.fennel.ai/ Name: ajs_anonymous_id
Value: %2250273878-8c5d-497d-89f3-ae31eb30dc94%22
.substack.com/ Name: __cf_bm
Value: _XOiDphV4Gjtb_kl56_fhvRSCuKpR6EFDxk.hkV.GMc-1649710558-0-AUeWdouMxRQBJKzehg6v2NMTL7dZYU6t+EVL0YT1RFdZNt6q8PouZDXTn2ZnY6DZMAgrCj4CkSahzj+WHEd+UB8=
.blog.fennel.ai/ Name: ajs_anonymous_id
Value: %2250273878-8c5d-497d-89f3-ae31eb30dc94%22
.blog.fennel.ai/ Name: visit_id
Value: %7B%22id%22%3A%2264b1f4a3-0d2b-485f-80cc-abedf8fd2eb6%22%2C%22timestamp%22%3A%222022-04-11T20%3A55%3A58.738Z%22%7D
.blog.fennel.ai/ Name: ab_testing_id
Value: %227f19ea57-662c-4cef-abd9-3001c6ab900a%22

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