URL: https://writing.billprin.com/
Submission: On December 10 via api from US — Scanned from US

Summary

This website contacted 11 IPs in 1 countries across 10 domains to perform 40 HTTP transactions. The main IP is 2606:4700:4400::6812:2857, located in United States and belongs to CLOUDFLARENET, US. The main domain is writing.billprin.com.
TLS certificate: Issued by E1 on December 10th 2023. Valid for: 3 months.
This is the only time writing.billprin.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

Apex Domain
Subdomains
Transfer
11 substackcdn.com
substackcdn.com — Cisco Umbrella Rank: 17573
914 KB
8 billprin.com
writing.billprin.com
28 KB
6 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 864
cloudflareinsights.com — Cisco Umbrella Rank: 842
14 KB
3 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 36
233 KB
3 substack.com
substack.com — Cisco Umbrella Rank: 17384
9 KB
2 google.com
www.google.com — Cisco Umbrella Rank: 2
563 B
2 doubleclick.net
googleads.g.doubleclick.net — Cisco Umbrella Rank: 33
3 KB
2 datadoghq-browser-agent.com
www.datadoghq-browser-agent.com — Cisco Umbrella Rank: 1445
96 KB
2 sentry-cdn.com
js.sentry-cdn.com — Cisco Umbrella Rank: 6063
4 KB
1 gstatic.com
fonts.gstatic.com
14 KB
40 10
Domain Requested by
11 substackcdn.com writing.billprin.com
substack.com
8 writing.billprin.com writing.billprin.com
www.datadoghq-browser-agent.com
4 cloudflareinsights.com static.cloudflareinsights.com
www.datadoghq-browser-agent.com
3 www.googletagmanager.com substackcdn.com
www.googletagmanager.com
3 substack.com substackcdn.com
substack.com
2 www.google.com
2 googleads.g.doubleclick.net www.googletagmanager.com
2 www.datadoghq-browser-agent.com writing.billprin.com
substack.com
2 static.cloudflareinsights.com writing.billprin.com
substack.com
2 js.sentry-cdn.com writing.billprin.com
substack.com
1 fonts.gstatic.com writing.billprin.com
40 11

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

Domain
substack.com
newsletter.newsletterlaunchpad.com
newsletter.smallbets.co
Subject Issuer Validity Valid
writing.billprin.com
E1
2023-12-10 -
2024-03-09
3 months crt.sh
substackcdn.com
Amazon RSA 2048 M02
2023-03-14 -
2024-04-12
a year crt.sh
*.gstatic.com
GTS CA 1C3
2023-11-20 -
2024-02-12
3 months crt.sh
*.sentry-cdn.com
GlobalSign Atlas R3 DV TLS CA 2023 Q3
2023-08-01 -
2024-09-01
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
substack.com
Cloudflare Inc ECC CA-3
2023-09-13 -
2024-09-12
a year crt.sh
*.google-analytics.com
GTS CA 1C3
2023-11-20 -
2024-02-12
3 months crt.sh
*.g.doubleclick.net
GTS CA 1C3
2023-11-20 -
2024-02-12
3 months crt.sh
www.google.com
GTS CA 1C3
2023-11-20 -
2024-02-12
3 months crt.sh

This page contains 2 frames:

Primary Page: https://writing.billprin.com/
Frame ID: 93E8B4150D421C00F1F32CF3DB0F0D34
Requests: 24 HTTP requests in this frame

Frame: https://substack.com/channel-frame
Frame ID: 8C1EDA58D14D00B36B98E1213DD84CE0
Requests: 14 HTTP requests in this frame

Screenshot

Page Title

Bill Prin’s Writing | Substack

Detected technologies

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

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

Page Statistics

40
Requests

100 %
HTTPS

91 %
IPv6

10
Domains

11
Subdomains

11
IPs

1
Countries

1315 kB
Transfer

4840 kB
Size

13
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

40 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
writing.billprin.com/
128 KB
21 KB
Document
General
Full URL
https://writing.billprin.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:4400::6812:2857 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
7d60b605c8fcb37300d2b73de2edc5c173a9a5375d978d1d98e5361f15adfb39
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/120.0.6099.71 Safari/537.36
accept-language
en-US,en;q=0.9

Response headers

age
2035
alt-svc
h3=":443"; ma=86400
cache-control
no-cache
cf-cache-status
HIT
cf-ray
83396dfd2ff54bcd-BUF
content-encoding
br
content-type
text/html; charset=utf-8
date
Sun, 10 Dec 2023 23:57:20 GMT
etag
W/"1ff3d-QMVeV0rU8yx27sujKRrHrPhIEPI"
link
<https://substackcdn.com>; rel=preconnect
server
cloudflare
strict-transport-security
max-age=31536000
vary
Accept-Encoding
x-cluster
substack
x-deploy
06ba486223
x-frame-options
sameorigin
x-powered-by
Express
x-served-by
Substack
x-sub
billprin
main.0fc0fa7249b56cf711a8.css
substackcdn.com/bundle/theme/
476 KB
65 KB
Stylesheet
General
Full URL
https://substackcdn.com/bundle/theme/main.0fc0fa7249b56cf711a8.css
Requested by
Host: writing.billprin.com
URL: https://writing.billprin.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:25c8:9600:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
4657b6692b58300b8a901fb751a319b8acb267492ccb4c913d47aa81b6b884c3

Request headers

accept-language
en-US,en;q=0.9
Referer
https://writing.billprin.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date
Sun, 10 Dec 2023 23:42:33 GMT
content-encoding
gzip
via
1.1 2a78cba32e1e70413cb851835f0eb89c.cloudfront.net (CloudFront)
x-amz-cf-pop
PHL51-P1
age
888
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
alt-svc
h3=":443"; ma=86400
x-amz-expiration
expiry-date="Fri, 07 Jun 2024 00:00:00 GMT", rule-id="StaticAssetIntelligentTiering"
last-modified
Sat, 09 Dec 2023 20:29:33 GMT
server
AmazonS3
etag
W/"0fc0fa7249b56cf711a8daeba992b7e9"
vary
Accept-Encoding
content-type
text/css
cache-control
public, max-age=31536000, immutable
x-amz-cf-id
JhbaRrMetI9VCbuRC8mD82qdIDqnQc4QwDQuk5jPiBOsWXWaT0MIfA==
main.c9b7fe8e05fac7dffe62.css
substackcdn.com/bundle/
370 KB
52 KB
Stylesheet
General
Full URL
https://substackcdn.com/bundle/main.c9b7fe8e05fac7dffe62.css
Requested by
Host: writing.billprin.com
URL: https://writing.billprin.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:25c8:9600:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
720969560609814464660963fa850a629a6bff9ab83ce116093485ddc34b5c2f

Request headers

accept-language
en-US,en;q=0.9
Referer
https://writing.billprin.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date
Sun, 10 Dec 2023 07:53:02 GMT
content-encoding
gzip
via
1.1 2a78cba32e1e70413cb851835f0eb89c.cloudfront.net (CloudFront)
x-amz-cf-pop
PHL51-P1
age
57859
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
alt-svc
h3=":443"; ma=86400
x-amz-expiration
expiry-date="Thu, 06 Jun 2024 00:00:00 GMT", rule-id="StaticAssetIntelligentTiering"
last-modified
Fri, 08 Dec 2023 21:13:04 GMT
server
AmazonS3
etag
W/"afc0ab920274b0cfc4691ec9133cd365"
vary
Accept-Encoding
content-type
text/css
cache-control
public, max-age=31536000, immutable
x-amz-cf-id
hn1zwegRJnuj6sxV_KFPKlnZZmJo9OalN_5Xz5KoguAvxkReMhgYFQ==
rnCr-xNNww_2s0amA9M5knjsS_ul.woff2
fonts.gstatic.com/s/spectral/v13/
13 KB
14 KB
Font
General
Full URL
https://fonts.gstatic.com/s/spectral/v13/rnCr-xNNww_2s0amA9M5knjsS_ul.woff2
Requested by
Host: writing.billprin.com
URL: https://writing.billprin.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:4006:81e::2003 , United States, 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://writing.billprin.com/
Origin
https://writing.billprin.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/120.0.6099.71 Safari/537.36

Response headers

date
Wed, 06 Dec 2023 09:20:44 GMT
x-content-type-options
nosniff
age
398196
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
Thu, 05 Dec 2024 09:20:44 GMT
https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F11462108-dc09-47a1-9d34-c7425180c658_144x144.png
substackcdn.com/image/fetch/w_96,c_limit,f_auto,q_auto:good,fl_progressive:steep/
3 KB
3 KB
Image
General
Full URL
https://substackcdn.com/image/fetch/w_96,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F11462108-dc09-47a1-9d34-c7425180c658_144x144.png
Requested by
Host: writing.billprin.com
URL: https://writing.billprin.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:25c8:9600:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
imgproxy / Express
Resource Hash
85683e2cf88b024b87031712053b4232a6221fd1962f28abc5eb4a4506ecd536
Security Headers
Name Value
Content-Security-Policy script-src 'none'

Request headers

accept-language
en-US,en;q=0.9
Referer
https://writing.billprin.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date
Sun, 10 Dec 2023 18:35:50 GMT
content-security-policy
script-src 'none'
via
1.1 2a78cba32e1e70413cb851835f0eb89c.cloudfront.net (CloudFront)
x-amz-cf-pop
PHL51-P1
age
19290
x-powered-by
Express
x-cache
Hit from cloudfront
content-disposition
inline; filename="11462108-dc09-47a1-9d34-c7425180c658_144x144.jpg"
alt-svc
h3=":443"; ma=86400
content-length
2591
x-request-id
E1C3dygr-YUJ6oSDE3HJX
server
imgproxy
etag
"BFcyhJUgw6kDr9UPxBpSsKXSMElaOAVla8V55nXtu48/RImI2MjA2YTg1MDU1Y2I3MWI3YTZhODU4NjFmMmZiOGE3Ig"
content-type
image/jpeg
cache-control
public, max-age=31536000
x-amz-cf-id
MRL_tFMU1TEJcULinGwRj_r_m-_yylK-uG4inrNwaLPtG844B26Nqg==
https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32853545-11cb-47c3-9109-aec8e5774251_450x676.jpeg
substackcdn.com/image/fetch/w_848,h_565,c_fill,f_webp,q_auto:good,fl_progressive:steep,g_auto/
24 KB
24 KB
Image
General
Full URL
https://substackcdn.com/image/fetch/w_848,h_565,c_fill,f_webp,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F32853545-11cb-47c3-9109-aec8e5774251_450x676.jpeg
Requested by
Host: writing.billprin.com
URL: https://writing.billprin.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:25c8:9600:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
imgproxy / Express
Resource Hash
5b074cb648f26e9e2696e18b01ff490c67924b62d612369f6b6fe32137f49765
Security Headers
Name Value
Content-Security-Policy script-src 'none'

Request headers

accept-language
en-US,en;q=0.9
Referer
https://writing.billprin.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date
Sun, 10 Dec 2023 23:23:26 GMT
content-security-policy
script-src 'none'
via
1.1 2a78cba32e1e70413cb851835f0eb89c.cloudfront.net (CloudFront)
x-amz-cf-pop
PHL51-P1
age
2034
x-powered-by
Express
x-cache
Hit from cloudfront
content-disposition
inline; filename="32853545-11cb-47c3-9109-aec8e5774251_450x676.webp"
alt-svc
h3=":443"; ma=86400
content-length
24400
x-request-id
dtwISPZd4aoLWg1UPOp3-
server
imgproxy
etag
"42bUOQDRIq4NvKGKj1jTzMXsgKIfhdCJ8t_elnC60WE/RIjg1NWEwYmYwOGEzN2I4Yjk4YTNlOGVhNGEzOTI3Y2IyIg"
content-type
image/webp
cache-control
public, max-age=31536000
x-amz-cf-id
TE2aYL7b5bkQ77ur-zvK_DXRtO2AeBaEF4f2zSKxTAjpaVuCP1sLjA==
https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F11462108-dc09-47a1-9d34-c7425180c658_144x144.png
substackcdn.com/image/fetch/w_88,c_limit,f_auto,q_auto:good,fl_progressive:steep/
2 KB
3 KB
Image
General
Full URL
https://substackcdn.com/image/fetch/w_88,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F11462108-dc09-47a1-9d34-c7425180c658_144x144.png
Requested by
Host: writing.billprin.com
URL: https://writing.billprin.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:25c8:9600:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
imgproxy / Express
Resource Hash
fbfb5f51561bcf6aeae377720f728681e021afb39838ec9abc94efb45712de5b
Security Headers
Name Value
Content-Security-Policy script-src 'none'

Request headers

accept-language
en-US,en;q=0.9
Referer
https://writing.billprin.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date
Sun, 10 Dec 2023 23:23:26 GMT
content-security-policy
script-src 'none'
via
1.1 2a78cba32e1e70413cb851835f0eb89c.cloudfront.net (CloudFront)
x-amz-cf-pop
PHL51-P1
age
2034
x-powered-by
Express
x-cache
Hit from cloudfront
content-disposition
inline; filename="11462108-dc09-47a1-9d34-c7425180c658_144x144.jpg"
alt-svc
h3=":443"; ma=86400
content-length
2471
x-request-id
qUxTKuojBBzdXT9h340rj
server
imgproxy
etag
"KpEvGLcOf77HgKHSbtA4DR-5GlsPYs2nTXoNQFZEZZ4/RImI2MjA2YTg1MDU1Y2I3MWI3YTZhODU4NjFmMmZiOGE3Ig"
content-type
image/jpeg
cache-control
public, max-age=31536000
x-amz-cf-id
0rkgPhDqzSur-BkAJuK73lhUoKBwj6E31BkkcMLpgL5AtDspV9Ne1g==
https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F11462108-dc09-47a1-9d34-c7425180c658_144x144.png
substackcdn.com/image/fetch/w_264,c_limit,f_webp,q_auto:best,fl_progressive:steep/
5 KB
5 KB
Image
General
Full URL
https://substackcdn.com/image/fetch/w_264,c_limit,f_webp,q_auto:best,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F11462108-dc09-47a1-9d34-c7425180c658_144x144.png
Requested by
Host: writing.billprin.com
URL: https://writing.billprin.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:25c8:9600:4:b4b9:d3c0:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
imgproxy / Express
Resource Hash
69178c8fbededa4333337d6c179048e379a350e93cfed2f782f74de1d0ef47c1
Security Headers
Name Value
Content-Security-Policy script-src 'none'

Request headers

accept-language
en-US,en;q=0.9
Referer
https://writing.billprin.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date
Sun, 10 Dec 2023 23:23:26 GMT
content-security-policy
script-src 'none'
via
1.1 2a78cba32e1e70413cb851835f0eb89c.cloudfront.net (CloudFront)
x-amz-cf-pop
PHL51-P1
age
2034
x-powered-by
Express
x-cache
Hit from cloudfront
content-disposition
inline; filename="11462108-dc09-47a1-9d34-c7425180c658_144x144.webp"
alt-svc
h3=":443"; ma=86400
content-length
4722
x-request-id
IZwvj6g_aBTAKQAoXsfQb
server
imgproxy
etag
"UamCbJlPhUkLk3YB3RPHsM8ARwwxWfdNyhiHSRBXRxw/RImI2MjA2YTg1MDU1Y2I3MWI3YTZhODU4NjFmMmZiOGE3Ig"
content-type
image/webp
cache-control
public, max-age=31536000
x-amz-cf-id
P_VS1bjpOZXvSHWxHJrq8blmeDXVVwcyaLYCVj7EblSEqTBqEpmmLQ==
6c2ff3e3828e4017b7faf7b63e24cdf8.min.js
js.sentry-cdn.com/
2 KB
2 KB
Script
General
Full URL
https://js.sentry-cdn.com/6c2ff3e3828e4017b7faf7b63e24cdf8.min.js
Requested by
Host: writing.billprin.com
URL: https://writing.billprin.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42::729 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
cf2754f2b34cc32c2bba60a29bfe35d5d888b2107451a1a65dcf305ab86ebeb0
Security Headers
Name Value
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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/120.0.6099.71 Safari/537.36

Response headers

date
Sun, 10 Dec 2023 23:57:23 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
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cache-control
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access-control-allow-credentials
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cross-origin-resource-policy
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alt-svc
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expires
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rum
cloudflareinsights.com/cdn-cgi/ Frame 8C1E
0
37 B
XHR
General
Full URL
https://cloudflareinsights.com/cdn-cgi/rum
Requested by
Host: static.cloudflareinsights.com
URL: https://static.cloudflareinsights.com/beacon.min.js
Protocol
H2
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TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:3865 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

Referer
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accept-language
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User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
content-type
application/json

Response headers

date
Sun, 10 Dec 2023 23:57:23 GMT
x-content-type-options
nosniff
server
cloudflare
vary
Origin
access-control-max-age
86400
access-control-allow-methods
POST,OPTIONS
access-control-allow-origin
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x-frame-options
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cf-ray
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rum
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0
Preflight
General
Full URL
https://cloudflareinsights.com/cdn-cgi/rum
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:3865 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
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Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

access-control-allow-credentials
true
access-control-allow-headers
Content-Type
access-control-allow-methods
POST,OPTIONS
access-control-allow-origin
https://substack.com
access-control-max-age
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cf-ray
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server
cloudflare
vary
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x-content-type-options
nosniff
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DENY
js
www.googletagmanager.com/gtag/
199 KB
72 KB
Script
General
Full URL
https://www.googletagmanager.com/gtag/js?id=AW-316245675&l=localGaDataLayer
Requested by
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URL: https://substackcdn.com/bundle/main.643b92aab4996d08e31d.bundle.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:4006:80f::2008 , United States, ASN15169 (GOOGLE, US),
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Software
Google Tag Manager /
Resource Hash
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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://writing.billprin.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date
Sun, 10 Dec 2023 23:57:23 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-resource-policy
cross-origin
alt-svc
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last-modified
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server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
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cache-control
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access-control-allow-credentials
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access-control-allow-headers
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expires
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rum
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0
37 B
XHR
General
Full URL
https://cloudflareinsights.com/cdn-cgi/rum
Requested by
Host: www.datadoghq-browser-agent.com
URL: https://www.datadoghq-browser-agent.com/datadog-rum-v4.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:3865 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

Referer
https://writing.billprin.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/120.0.6099.71 Safari/537.36
content-type
application/json

Response headers

date
Sun, 10 Dec 2023 23:57:23 GMT
x-content-type-options
nosniff
server
cloudflare
vary
Origin
access-control-max-age
86400
access-control-allow-methods
POST,OPTIONS
access-control-allow-origin
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x-frame-options
DENY
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cf-ray
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rum
cloudflareinsights.com/cdn-cgi/ Frame
0
0
Preflight
General
Full URL
https://cloudflareinsights.com/cdn-cgi/rum
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:3865 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://writing.billprin.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

access-control-allow-credentials
true
access-control-allow-headers
Content-Type
access-control-allow-methods
POST,OPTIONS
access-control-allow-origin
https://writing.billprin.com
access-control-max-age
86400
cf-ray
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content-encoding
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content-type
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date
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server
cloudflare
vary
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x-content-type-options
nosniff
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DENY
js
www.googletagmanager.com/gtag/ Frame 8C1E
199 KB
72 KB
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General
Full URL
https://www.googletagmanager.com/gtag/js?id=AW-316245675&l=localGaDataLayer&cx=c
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-TLW0DF6G5V&l=localGaDataLayer
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:4006:80f::2008 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
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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/120.0.6099.71 Safari/537.36

Response headers

date
Sun, 10 Dec 2023 23:57:23 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
74026
x-xss-protection
0
last-modified
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server
Google Tag Manager
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
access-control-allow-headers
Cache-Control
expires
Sun, 10 Dec 2023 23:57:23 GMT
/
googleads.g.doubleclick.net/pagead/viewthroughconversion/316245675/
2 KB
1 KB
Script
General
Full URL
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Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=AW-316245675&l=localGaDataLayer
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:4006:81c::2002 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
en-US,en;q=0.9
Referer
https://writing.billprin.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 10 Dec 2023 23:57:23 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
1271
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
googleads.g.doubleclick.net/pagead/viewthroughconversion/316245675/ Frame 8C1E
2 KB
2 KB
Script
General
Full URL
https://googleads.g.doubleclick.net/pagead/viewthroughconversion/316245675/?random=1702252643601&cv=11&fst=1702252643601&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v887153041&gcd=11l1l1l1l1&dma=0&u_w=1600&u_h=1200&url=https%3A%2F%2Fsubstack.com%2Fchannel-frame&ref=https%3A%2F%2Fwriting.billprin.com%2F&top=https%3A%2F%2Fwriting.billprin.com%2F&hn=www.googleadservices.com&frm=2&uamb=0&uaw=0&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
2607:f8b0:4006:81c::2002 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
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/120.0.6099.71 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 10 Dec 2023 23:57:23 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
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x-xss-protection
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expires
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www.google.com/pagead/1p-user-list/316245675/ Frame 8C1E
42 B
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Image
General
Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:4006:821::2004 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
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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
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/120.0.6099.71 Safari/537.36

Response headers

pragma
no-cache
date
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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
Full URL
https://www.google.com/pagead/1p-user-list/316245675/?random=1702252643555&cv=11&fst=1702249200000&bg=ffffff&guid=ON&async=1&gtm=45be3bt0v887153041&u_w=1600&u_h=1200&url=https%3A%2F%2Fwriting.billprin.com%2F&frm=0&tiba=Bill%20Prin%E2%80%99s%20Writing%20%7C%20Substack&data=event%3Dgtag.config&fmt=3&is_vtc=1&cid=CAQSGwDICaaNFPWIreLxA-r1G4z2EuSbyFUukuQxeg&random=3709980457&rmt_tld=0&ipr=y
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:4006:821::2004 , United States, 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
en-US,en;q=0.9
Referer
https://writing.billprin.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 10 Dec 2023 23:57:23 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

Verdicts & Comments Add Verdict or Comment

18 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 object| documentPictureInPicture object| Sentry object| _preloads object| _analyticsConfig object| DD_RUM object| _sentryDebugIds string| _sentryDebugIdIdentifier object| SENTRY_RELEASE object| webpackChunksubstack object| I18N function| __captchaOnloadCallback object| localGaDataLayer function| gtag object| __cfBeacon object| google_tag_manager object| google_tag_data object| GooglebQhCsO

13 Cookies

Domain/Path Name / Value
.writing.billprin.com/ Name: ab_testing_id
Value: %22055dfb71-1d78-47d3-baaf-e1553101d5e0%22
.writing.billprin.com/ Name: __cf_bm
Value: DvwkeInW2VVFmqKzfpuALB7RrOHxWTQrFKMZWxWqFoc-1702252640-1-AROS9+yGb47Iw6QPGn//SIxZEzvPiSuSUwQSdnjoHNN1gpxqzqzXugX6MIsdYVY3todsq5kF9muPDWQvjwLNfLw=
writing.billprin.com/ Name: ajs_anonymous_id
Value: %22241517fd-e3dc-4c60-a748-02ddefa0e5cb%22
.substack.com/ Name: __cf_bm
Value: eajlPICi7xyEiVSjmp60tSLDErXYpcQYP1JWFOnH0Ms-1702252642-1-AdRXfjuuARgPVsju52nM/i2bYFiABwg+dReIbxL6lyIH+qV9vSg/BOgDsWG/ws+XEYglBZMvRE3NkIAntOqjkUs=
.writing.billprin.com/ Name: ajs_anonymous_id
Value: %22241517fd-e3dc-4c60-a748-02ddefa0e5cb%22
.writing.billprin.com/ Name: visit_id
Value: %7B%22id%22%3A%224c65142d-7f82-4997-9b0c-ac6417ae59cf%22%2C%22timestamp%22%3A%222023-12-10T23%3A57%3A23.055Z%22%7D
.writing.billprin.com/ Name: experiment_test_experiment_v4
Value: treatment_c
substack.com/ Name: AWSALBTGCORS
Value: uOkbweq8USiInxpNP+2a8PlStKQ8EtVZk8IUG/jxj7cLVg5kcvsEWGSOtJX4atBjbXDqvTxKn37DzjdULf+g3M3/hfN73FUTZBTZG025byPrV0vG/9r3s33ahthmrLSNcvJZxqTvfZiddlw/W6smzaFPK0qaQM5Mx+G9hJ5tDMaW
writing.billprin.com/ Name: AWSALBTG
Value: +bCXldpPTDLxbPAKnkgK/q5byzpu3zW87NKTtVQTa2q7dAwHHOQW4wB2vnQzPKB6Is9dj/VptcseqKTEQhTQjwep3zCJ7OemhMe21vfUFj8Zfw+/deYjjXDYpJxoyr9saYF34SlZ2UMLRWato8jskdU/6XmeaO2OP3VzQPRBB3g4
writing.billprin.com/ Name: AWSALBTGCORS
Value: +bCXldpPTDLxbPAKnkgK/q5byzpu3zW87NKTtVQTa2q7dAwHHOQW4wB2vnQzPKB6Is9dj/VptcseqKTEQhTQjwep3zCJ7OemhMe21vfUFj8Zfw+/deYjjXDYpJxoyr9saYF34SlZ2UMLRWato8jskdU/6XmeaO2OP3VzQPRBB3g4
.billprin.com/ Name: _gcl_au
Value: 1.1.581976228.1702252644
.doubleclick.net/ Name: test_cookie
Value: CheckForPermission
writing.billprin.com/ Name: _dd_s
Value: rum=0&expire=1702253541522

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
static.cloudflareinsights.com
substack.com
substackcdn.com
writing.billprin.com
www.datadoghq-browser-agent.com
www.google.com
www.googletagmanager.com
18.238.10.145
2600:9000:25c8:9600:4:b4b9:d3c0:93a1
2606:4700:4400::6812:21f5
2606:4700:4400::6812:2857
2606:4700::6810:3865
2606:4700::6810:3965
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