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kirschsubstack.com Open in urlscan Pro
2606:4700:4400::ac40:93a9  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://kirschsubstack.com/
Effective URL: https://kirschsubstack.com/
Submission: On July 07 via api from BE — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 12 IPs in 2 countries across 11 domains to perform 47 HTTP transactions. The main IP is 2606:4700:4400::ac40:93a9, located in United States and belongs to CLOUDFLARENET, US. The main domain is kirschsubstack.com.
TLS certificate: Issued by Cloudflare Inc ECC CA-3 on July 6th 2023. Valid for: a year.
This is the only time kirschsubstack.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

1    2606:4700:4400::6812:2857 (United States)

ASN13335 (CLOUDFLARENET, US)
kirschsubstack.com
5    2606:4700:4400::ac40:93a9 (United States)

ASN13335 (CLOUDFLARENET, US)
kirschsubstack.com
17    2600:9000:206f:800:4:b4b9:d3c0:93a1 (United States)

ASN16509 (AMAZON-02, US)
substackcdn.com
1    2a00:1450:4001:827::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.gstatic.com
2    2a04:4e42:600::729 (United States)

ASN54113 (FASTLY, US)
js.sentry-cdn.com
6    2606:4700::6810:3865 (United States)

ASN13335 (CLOUDFLARENET, US)
static.cloudflareinsights.com
cloudflareinsights.com
2    18.155.121.141 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-155-121-141.cdg52.r.cloudfront.net
www.datadoghq-browser-agent.com
3    2606:4700:4400::ac40:9a0b (United States)

ASN13335 (CLOUDFLARENET, US)
substack.com
4    2a00:1450:4001:803::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
2    2a00:1450:4001:82a::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
googleads.g.doubleclick.net
2    2a00:1450:4001:828::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.com
2    2a00:1450:4001:82f::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.de
Apex Domain
Subdomains		 Transfer
17 substackcdn.com
substackcdn.com — Cisco Umbrella Rank: 19059
2 MB
6 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 1174
cloudflareinsights.com — Cisco Umbrella Rank: 1155
14 KB
6 kirschsubstack.com
kirschsubstack.com
37 KB
4 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 79
258 KB
3 substack.com
substack.com — Cisco Umbrella Rank: 16006 Failed
10 KB
2 google.de
www.google.de — Cisco Umbrella Rank: 4752
563 B
2 google.com
www.google.com — Cisco Umbrella Rank: 10
563 B
2 doubleclick.net
googleads.g.doubleclick.net — Cisco Umbrella Rank: 57
3 KB
2 datadoghq-browser-agent.com
www.datadoghq-browser-agent.com — Cisco Umbrella Rank: 2040
91 KB
2 sentry-cdn.com
js.sentry-cdn.com — Cisco Umbrella Rank: 6178
3 KB
1 gstatic.com
fonts.gstatic.com
14 KB
47 11
Domain Requested by
17 substackcdn.com kirschsubstack.com
substack.com
6 kirschsubstack.com 1 redirects kirschsubstack.com
4 cloudflareinsights.com static.cloudflareinsights.com
www.datadoghq-browser-agent.com
4 www.googletagmanager.com substackcdn.com
www.googletagmanager.com
3 substack.com substackcdn.com
substack.com
2 www.google.de
2 www.google.com
2 googleads.g.doubleclick.net www.googletagmanager.com
2 www.datadoghq-browser-agent.com kirschsubstack.com
substack.com
2 static.cloudflareinsights.com kirschsubstack.com
substack.com
2 js.sentry-cdn.com kirschsubstack.com
substack.com
1 fonts.gstatic.com kirschsubstack.com
47 12

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

Domain
substack.com
Subject Issuer Validity Valid
kirschsubstack.com
Cloudflare Inc ECC CA-3		 2023-07-06 -
2024-07-04		 a year crt.sh
substackcdn.com
Amazon RSA 2048 M02		 2023-03-14 -
2024-04-12		 a year crt.sh
*.gstatic.com
GTS CA 1C3		 2023-06-19 -
2023-09-11		 3 months crt.sh
*.sentry-cdn.com
GlobalSign Atlas R3 DV TLS CA 2022 Q3		 2022-09-28 -
2023-10-30		 a year crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2023-04-10 -
2024-04-09		 a year crt.sh
*.datadoghq-browser-agent.com
DigiCert TLS RSA SHA256 2020 CA1		 2023-01-14 -
2024-01-16		 a year crt.sh
*.google-analytics.com
GTS CA 1C3		 2023-06-19 -
2023-09-11		 3 months crt.sh
*.g.doubleclick.net
GTS CA 1C3		 2023-06-19 -
2023-09-11		 3 months crt.sh
www.google.com
GTS CA 1C3		 2023-06-19 -
2023-09-11		 3 months crt.sh
www.google.de
GTS CA 1C3		 2023-06-19 -
2023-09-11		 3 months crt.sh

This page contains 3 frames:

Primary Page: https://kirschsubstack.com/
Frame ID: D44F12D931A0F9D1C0BB4B74BCB498C7
Requests: 29 HTTP requests in this frame

Frame: https://substack.com/channel-frame
Frame ID: 6A960E0326D5D4D1BCEB8DABC941A2B2
Requests: 1 HTTP requests in this frame

Frame: https://substack.com/channel-frame
Frame ID: 569F61E846885B30D031D8B1E98F5021
Requests: 15 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Steve Kirsch's newsletter | Substack

Page URL History Show full URLs

  1. http://kirschsubstack.com/ HTTP 301
    https://kirschsubstack.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • static\.cloudflareinsights\.com/beacon(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js

Page Statistics

47
Requests

98 %
HTTPS

92 %
IPv6

11
Domains

12
Subdomains

12
IPs

2
Countries

1971 kB
Transfer

5835 kB
Size

11
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://kirschsubstack.com/ HTTP 301
    https://kirschsubstack.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

47 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
kirschsubstack.com/
Redirect Chain
  • http://kirschsubstack.com/
  • https://kirschsubstack.com/
420 KB
34 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://kirschsubstack.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:4400::ac40:93a9 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
80ef4e39c02fde28ed13e272cb52faf9006979ad9a9cf63c37e5216068c6c7c5
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/114.0.5735.198 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

alt-svc
h3=":443"; ma=86400
cache-control
no-cache
cf-cache-status
HIT
cf-ray
7e311d459add19a0-FRA
content-encoding
br
content-type
text/html; charset=utf-8
date
Fri, 07 Jul 2023 15:27:55 GMT
etag
W/"68f16-9Lb38tUVoD84vxGo8mniK7YtUhI"
server
cloudflare
strict-transport-security
max-age=31536000
vary
Accept-Encoding
x-cluster
substack
x-deploy
e76b80a3de
x-frame-options
sameorigin
x-powered-by
Express
x-served-by
Substack
x-sub
stevekirsch

Redirect headers

CF-RAY
7e311d44bbe93656-FRA
Connection
keep-alive
Content-Length
0
Date
Fri, 07 Jul 2023 15:27:55 GMT
Location
https://kirschsubstack.com/
Server
cloudflare
Vary
Accept-Encoding
alt-svc
h3=":443"; ma=86400
main.02eae95a794e64688889.css
substackcdn.com/bundle/theme/ 		473 KB
58 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://substackcdn.com/bundle/theme/main.02eae95a794e64688889.css
Requested by
Host: kirschsubstack.com
URL: https://kirschsubstack.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:800:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
c384529da52a2297ddb2aca6a8d9d6dcb8524aada034c0736ce60ca65495a368

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://kirschsubstack.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date
Thu, 06 Jul 2023 21:49:26 GMT
content-encoding
br
via
1.1 2a3a093b493a82493f3431437cb166ac.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-C1
age
63511
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
alt-svc
h3=":443"; ma=86400
x-amz-expiration
expiry-date="Wed, 03 Jan 2024 00:00:00 GMT", rule-id="StaticAssetIntelligentTiering"
last-modified
Thu, 06 Jul 2023 21:38:53 GMT
server
AmazonS3
etag
W/"02eae95a794e64688889a8cba04ed3db"
vary
Accept-Encoding
content-type
text/css
cache-control
public, max-age=31536000, immutable
x-amz-cf-id
0HkgoR1e3B5LcFB6bYrysSLJycWpgjV9yY0qfhiOGMvuecUDEZbuOw==
main.c3d3def98bfbcb58935b.css
substackcdn.com/bundle/ 		281 KB
35 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://substackcdn.com/bundle/main.c3d3def98bfbcb58935b.css
Requested by
Host: kirschsubstack.com
URL: https://kirschsubstack.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:800:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
610038ce54649ec618c4c8d9ad39667a2139ea504f5e0764cecacf0a6a8f331c

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://kirschsubstack.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date
Thu, 06 Jul 2023 17:38:52 GMT
content-encoding
br
via
1.1 2a3a093b493a82493f3431437cb166ac.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-C1
age
78545
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
alt-svc
h3=":443"; ma=86400
x-amz-expiration
expiry-date="Wed, 03 Jan 2024 00:00:00 GMT", rule-id="StaticAssetIntelligentTiering"
last-modified
Thu, 06 Jul 2023 17:25:09 GMT
server
AmazonS3
etag
W/"6c07c12ddf47862084d9f5d3538756aa"
vary
Accept-Encoding
content-type
text/css
cache-control
public, max-age=31536000, immutable
x-amz-cf-id
AZ0kRSNMgzIWGLTv8pMcvOH3FYU9r-JlxBjxnZn3J4fzT6kM0tmmZg==
rnCr-xNNww_2s0amA9M5knjsS_ul.woff2
fonts.gstatic.com/s/spectral/v13/ 		13 KB
14 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/spectral/v13/rnCr-xNNww_2s0amA9M5knjsS_ul.woff2
Requested by
Host: kirschsubstack.com
URL: https://kirschsubstack.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:827::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
478eee9ac68ef242aeda59b8b37b388003eb3eac12af90b8c38fa65d3a34f3a9
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://kirschsubstack.com/
Origin
https://kirschsubstack.com
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date
Fri, 07 Jul 2023 13:24:50 GMT
x-content-type-options
nosniff
age
7386
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
13780
x-xss-protection
0
last-modified
Tue, 30 Aug 2022 22:36:23 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Sat, 06 Jul 2024 13:24:50 GMT
https%3A%2F%2Fbucketeer-e05bbc84-baa3-437e-9518-adb32be77984.s3.amazonaws.com%2Fpublic%2Fimages%2F784bba8d-04cd-46d6-ab10-23a5e1d49cf7_377x377.png
substackcdn.com/image/fetch/w_96,c_limit,f_auto,q_auto:good,fl_progressive:steep/ 		3 KB
4 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://substackcdn.com/image/fetch/w_96,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fbucketeer-e05bbc84-baa3-437e-9518-adb32be77984.s3.amazonaws.com%2Fpublic%2Fimages%2F784bba8d-04cd-46d6-ab10-23a5e1d49cf7_377x377.png
Requested by
Host: kirschsubstack.com
URL: https://kirschsubstack.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:800:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
imgproxy /
Resource Hash
3e8e9130eab3311221bd601341fe97805ebcfe6daf7bdc4e2ba5c073d49e9223

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://kirschsubstack.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date
Wed, 05 Apr 2023 08:21:15 GMT
via
1.1 2a3a093b493a82493f3431437cb166ac.cloudfront.net (CloudFront)
server
imgproxy
x-amz-cf-pop
FRA56-C1
age
8060800
etag
"BFcyhJUgw6kDr9UPxBpSsKXSMElaOAVla8V55nXtu48/RImYyZTFhODIxZDUzNTg2NWY4ZTEwYWUzZWY2ZTU5NjFkIg"
x-cache
Hit from cloudfront
content-type
image/jpeg
cache-control
public, max-age=31536000
content-disposition
inline; filename="784bba8d-04cd-46d6-ab10-23a5e1d49cf7_377x377.jpg"
alt-svc
h3=":443"; ma=86400
content-length
3174
x-amz-cf-id
PGNxL9fZ78j-gWCZ-jhTrSvBkExYUeCtummJcqPHm1y1sr8P9TqXMw==
x-request-id
6zf9EiCq8LxvVuHiF9_il
https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fae629951-439e-4ee5-b2b4-eb321b627b07_1504x846.jpeg
substackcdn.com/image/fetch/w_1280,h_853,c_fill,f_webp,q_auto:good,fl_progressive:steep,g_center/ 		29 KB
29 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://substackcdn.com/image/fetch/w_1280,h_853,c_fill,f_webp,q_auto:good,fl_progressive:steep,g_center/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fae629951-439e-4ee5-b2b4-eb321b627b07_1504x846.jpeg
Requested by
Host: kirschsubstack.com
URL: https://kirschsubstack.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:800:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
imgproxy / Express
Resource Hash
2d8142cc85db1ed57a72ef6f243e717af15d8faed1c3febe2f31caa0dfceac46
Security Headers
Name Value
Content-Security-Policy script-src 'none'

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://kirschsubstack.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date
Sat, 24 Jun 2023 04:58:57 GMT
content-security-policy
script-src 'none'
via
1.1 2a3a093b493a82493f3431437cb166ac.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-C1
age
1160939
x-powered-by
Express
x-cache
Hit from cloudfront
content-disposition
inline; filename="ae629951-439e-4ee5-b2b4-eb321b627b07_1504x846.webp"
alt-svc
h3=":443"; ma=86400
content-length
29284
x-request-id
7e6sVwx7FPGSBVqqKxqbJ
server
imgproxy
etag
"xrz595PLdBkoqPvdzoAwgQSfLTKt4oxk3PBZlsuXjCg/RImM4YWEwNmY2MGZkMTE0MjA0ZDlhYjRjNDdjMmIwNDg2Ig"
content-type
image/webp
cache-control
public, max-age=31536000
x-amz-cf-id
4snmrY3G6iWFZnE9Vqmh3QQ-WiBcruTRi8OMYBEZZpNhALKyCK3yiQ==
https%3A%2F%2Fbucketeer-e05bbc84-baa3-437e-9518-adb32be77984.s3.amazonaws.com%2Fpublic%2Fimages%2F784bba8d-04cd-46d6-ab10-23a5e1d49cf7_377x377.png
substackcdn.com/image/fetch/w_88,c_limit,f_auto,q_auto:good,fl_progressive:steep/ 		3 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://substackcdn.com/image/fetch/w_88,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fbucketeer-e05bbc84-baa3-437e-9518-adb32be77984.s3.amazonaws.com%2Fpublic%2Fimages%2F784bba8d-04cd-46d6-ab10-23a5e1d49cf7_377x377.png
Requested by
Host: kirschsubstack.com
URL: https://kirschsubstack.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:800:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
imgproxy /
Resource Hash
8e7b969435f3868687eb70f87327fb81a9144150d69ab7937e7b8412ec55d518

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://kirschsubstack.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date
Tue, 02 May 2023 12:39:44 GMT
via
1.1 2a3a093b493a82493f3431437cb166ac.cloudfront.net (CloudFront)
server
imgproxy
x-amz-cf-pop
FRA56-C1
age
5712492
etag
"KpEvGLcOf77HgKHSbtA4DR-5GlsPYs2nTXoNQFZEZZ4/RImYyZTFhODIxZDUzNTg2NWY4ZTEwYWUzZWY2ZTU5NjFkIg"
x-cache
Hit from cloudfront
content-type
image/jpeg
cache-control
public, max-age=31536000
content-disposition
inline; filename="784bba8d-04cd-46d6-ab10-23a5e1d49cf7_377x377.jpg"
alt-svc
h3=":443"; ma=86400
content-length
2882
x-amz-cf-id
Qxgd6UD94I8bxUYQ6dsXBGeC17FN2NcDUS58D12GBNRz1bzAOK1bOg==
x-request-id
cBtU7uI0ix5s243xnGXHg
https%3A%2F%2Fbucketeer-e05bbc84-baa3-437e-9518-adb32be77984.s3.amazonaws.com%2Fpublic%2Fimages%2F4579ad1e-d030-4d46-bd2e-2501f9953a62_853x1280.png
substackcdn.com/image/fetch/w_1360,c_limit,f_webp,q_auto:best,fl_progressive:steep/ 		485 KB
486 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://substackcdn.com/image/fetch/w_1360,c_limit,f_webp,q_auto:best,fl_progressive:steep/https%3A%2F%2Fbucketeer-e05bbc84-baa3-437e-9518-adb32be77984.s3.amazonaws.com%2Fpublic%2Fimages%2F4579ad1e-d030-4d46-bd2e-2501f9953a62_853x1280.png
Requested by
Host: kirschsubstack.com
URL: https://kirschsubstack.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:800:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
imgproxy /
Resource Hash
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Software
cafe /
Resource Hash
b3f57037002353f0fb9ad65b83f8ba804dd5e2ee16cadad51ddd0c43b5c6cbf2
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;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/114.0.5735.198 Safari/537.36

Response headers

pragma
no-cache
date
Fri, 07 Jul 2023 15:27:59 GMT
content-encoding
br
x-content-type-options
nosniff
server
cafe
content-type
text/javascript; charset=UTF-8
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
cache-control
no-cache, must-revalidate
cross-origin-resource-policy
cross-origin
content-disposition
attachment; filename="f.txt"
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
1311
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
googleads.g.doubleclick.net/pagead/viewthroughconversion/316245675/ 		3 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://googleads.g.doubleclick.net/pagead/viewthroughconversion/316245675/?random=1688743679127&cv=11&fst=1688743679127&bg=ffffff&guid=ON&async=1&gtm=45be3750&u_w=1600&u_h=1200&url=https%3A%2F%2Fkirschsubstack.com%2F&hn=www.googleadservices.com&frm=0&tiba=Steve%20Kirsch%27s%20newsletter%20%7C%20Substack&auid=1267013873.1688743679&data=event%3Dgtag.config&rfmt=3&fmt=4
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=AW-316245675&l=localGaDataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82a::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
add7899b996ca98f4bd814860eae002fdb72d03a4d45de79df2f9b9ec6b13137
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://kirschsubstack.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

pragma
no-cache
date
Fri, 07 Jul 2023 15:27:59 GMT
content-encoding
br
x-content-type-options
nosniff
server
cafe
content-type
text/javascript; charset=UTF-8
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
cache-control
no-cache, must-revalidate
cross-origin-resource-policy
cross-origin
content-disposition
attachment; filename="f.txt"
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
1330
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
www.google.com/pagead/1p-user-list/316245675/ Frame 569F 		42 B
108 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.com/pagead/1p-user-list/316245675/?random=1688743679093&cv=11&fst=1688742000000&bg=ffffff&guid=ON&async=1&gtm=45be3750&u_w=1600&u_h=1200&url=https%3A%2F%2Fsubstack.com%2Fchannel-frame&ref=https%3A%2F%2Fkirschsubstack.com%2F&frm=2&data=event%3Dgtag.config&fmt=3&is_vtc=1&random=2228048319&rmt_tld=0&ipr=y
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:828::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
Content-Security-Policy script-src 'none'; object-src 'none'
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;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/114.0.5735.198 Safari/537.36

Response headers

pragma
no-cache
date
Fri, 07 Jul 2023 15:27:59 GMT
content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
www.google.de/pagead/1p-user-list/316245675/ Frame 569F 		42 B
108 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.de/pagead/1p-user-list/316245675/?random=1688743679093&cv=11&fst=1688742000000&bg=ffffff&guid=ON&async=1&gtm=45be3750&u_w=1600&u_h=1200&url=https%3A%2F%2Fsubstack.com%2Fchannel-frame&ref=https%3A%2F%2Fkirschsubstack.com%2F&frm=2&data=event%3Dgtag.config&fmt=3&is_vtc=1&random=2228048319&rmt_tld=1&ipr=y
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
Content-Security-Policy script-src 'none'; object-src 'none'
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;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/114.0.5735.198 Safari/537.36

Response headers

pragma
no-cache
date
Fri, 07 Jul 2023 15:27:59 GMT
content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
www.google.com/pagead/1p-user-list/316245675/ 		42 B
455 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.com/pagead/1p-user-list/316245675/?random=1688743679127&cv=11&fst=1688742000000&bg=ffffff&guid=ON&async=1&gtm=45be3750&u_w=1600&u_h=1200&url=https%3A%2F%2Fkirschsubstack.com%2F&frm=0&tiba=Steve%20Kirsch%27s%20newsletter%20%7C%20Substack&data=event%3Dgtag.config&fmt=3&is_vtc=1&random=3194615340&rmt_tld=0&ipr=y
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:828::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
Content-Security-Policy script-src 'none'; object-src 'none'
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://kirschsubstack.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

pragma
no-cache
date
Fri, 07 Jul 2023 15:27:59 GMT
content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
www.google.de/pagead/1p-user-list/316245675/ 		42 B
455 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.de/pagead/1p-user-list/316245675/?random=1688743679127&cv=11&fst=1688742000000&bg=ffffff&guid=ON&async=1&gtm=45be3750&u_w=1600&u_h=1200&url=https%3A%2F%2Fkirschsubstack.com%2F&frm=0&tiba=Steve%20Kirsch%27s%20newsletter%20%7C%20Substack&data=event%3Dgtag.config&fmt=3&is_vtc=1&random=3194615340&rmt_tld=1&ipr=y
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
Content-Security-Policy script-src 'none'; object-src 'none'
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://kirschsubstack.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

pragma
no-cache
date
Fri, 07 Jul 2023 15:27:59 GMT
content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 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

20 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 boolean| credentialless object| onbeforetoggle object| onscrollend object| Sentry object| _preloads object| _analyticsConfig object| DD_RUM object| _sentryDebugIds string| _sentryDebugIdIdentifier object| SENTRY_RELEASE object| webpackChunksubstack function| I function| __captchaOnloadCallback object| localGaDataLayer function| gtag object| __cfBeacon object| google_tag_manager object| google_tag_data object| GooglebQhCsO

11 Cookies

Domain/Path Name / Value
kirschsubstack.com/ Name: ajs_anonymous_id
Value: %2290c14a2a-b6f1-4ea4-ab9e-216c96b2ebf3%22
.kirschsubstack.com/ Name: ajs_anonymous_id
Value: %2290c14a2a-b6f1-4ea4-ab9e-216c96b2ebf3%22
.substack.com/ Name: __cf_bm
Value: 2.EFM4Nd8i__QxGwYcd27.h73fEgmhh5BDXy6Yll30o-1688743677-0-AZZ0EYmFfVT3R60WCjCx5iI/vVJ/yg1H4HQN4FWSGGpSkes/LPXIN07Y9rAejzdaAORfVEdNGlpW/QNJGOh0AZY=
.kirschsubstack.com/ Name: visit_id
Value: %7B%22id%22%3A%22da0fcd63-86a2-45a3-8f35-7c2505d0ab4c%22%2C%22timestamp%22%3A%222023-07-07T15%3A27%3A57.945Z%22%7D
.kirschsubstack.com/ Name: ab_testing_id
Value: %22a338c381-4c9d-4b2f-9352-c1f536063815%22
substack.com/ Name: AWSALBTGCORS
Value: sn6Sda8n+va6tn/pV3HMIDd9lUxPOiiuoB7JnJCOwrnUNpvZtFHIl7hWZ3dRL7gpEyCTO1Zh8kfJidDET2Z23wOgktPPoH8utVGZoNmdsbxEYaKwV03zNZ3tZAOhGSN22NHPOOggWIp7UKTrKjnJxBOOFon7Ch5gEPBwd3tKvFGv
kirschsubstack.com/ Name: AWSALBTG
Value: NJegtmdXyb/IMXnsWG1uV7MT162UQ6ywlQ+M/IJXtTVEjg9CRuD7JfxwWFygKpuN6II+10i2RtfGHjij0Yhb5/nPYfDv7U1rVmlunspY5Kz4mGz77DVSN9zOO2FTfbS1ao9WSz3KU+z0NBVMjObkOt1JgFTf90fqyHCbD1TK0iLZ
kirschsubstack.com/ Name: AWSALBTGCORS
Value: NJegtmdXyb/IMXnsWG1uV7MT162UQ6ywlQ+M/IJXtTVEjg9CRuD7JfxwWFygKpuN6II+10i2RtfGHjij0Yhb5/nPYfDv7U1rVmlunspY5Kz4mGz77DVSN9zOO2FTfbS1ao9WSz3KU+z0NBVMjObkOt1JgFTf90fqyHCbD1TK0iLZ
.kirschsubstack.com/ Name: _gcl_au
Value: 1.1.1267013873.1688743679
.doubleclick.net/ Name: test_cookie
Value: CheckForPermission
kirschsubstack.com/ Name: _dd_s
Value: rum=0&expire=1688744577748

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.

cloudflareinsights.com
fonts.gstatic.com
googleads.g.doubleclick.net
js.sentry-cdn.com
kirschsubstack.com
static.cloudflareinsights.com
substack.com
substackcdn.com
www.datadoghq-browser-agent.com
www.google.com
www.google.de
www.googletagmanager.com
substack.com
18.155.121.141
2600:9000:206f:800:4:b4b9:d3c0:93a1
2606:4700:4400::6812:2857
2606:4700:4400::ac40:93a9
2606:4700:4400::ac40:9a0b
2606:4700::6810:3865
2a00:1450:4001:803::2008
2a00:1450:4001:827::2003
2a00:1450:4001:828::2004
2a00:1450:4001:82a::2002
2a00:1450:4001:82f::2003
2a04:4e42:600::729
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610038ce54649ec618c4c8d9ad39667a2139ea504f5e0764cecacf0a6a8f331c
67f553bffd96e78614bebac279f12a25ad98f270c30dc202fd31779a5c3688cf
6a23ce7f0fe5bdaec3346ccd0d67ed6b38998e2757e6a231d3e58707bea4a97d
6adc3d4c1056996e4e8b765a62604c78b1f867cceb3b15d0b9bedb7c4857f992
79513d83a2190094681e7cb9b26526bbbca78cebdc86b61547157d6fe569a350
80ef4e39c02fde28ed13e272cb52faf9006979ad9a9cf63c37e5216068c6c7c5
8e7b969435f3868687eb70f87327fb81a9144150d69ab7937e7b8412ec55d518
93f83b14aa08e2c5133a17bec78111d85880c570b8603828c8ffe41f36a0f2f5
a203625967df9cf852fcd5ed3cd78c4c07633b2e95aaf7c071c1de9273dc6e17
add7899b996ca98f4bd814860eae002fdb72d03a4d45de79df2f9b9ec6b13137
b3f57037002353f0fb9ad65b83f8ba804dd5e2ee16cadad51ddd0c43b5c6cbf2
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d54c1ac080d1070c0b17da2af50a2eef52010e452e00dab87fdbcc361d06c1f1
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