publicnotice.co

.co crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 951 ms crawled 2026-05-18

US · 3.231.35.217 · AS14618 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Public Notice | Aaron Rupar | Substack
Description
Sign up for independent, incisive coverage of US politics and media, right in your inbox five times a week. Click to read Public Notice, by Aaron Rupar, a Substack publication with hundreds of thousands of subscribers.
Language
en
Canonical
https://www.publicnotice.co/
Feeds

Open Graph

url
https://www.publicnotice.co/
title
Public Notice | Aaron Rupar | Substack
description
Sign up for independent, incisive coverage of US politics and media, right in your inbox five times a week. Click to read Public Notice, by Aaron Rupar, a Substack publication with hundreds of thousands of subscribers.

Technology

CDN
Cloudflare
CMS
Gatsby
Analytics
  • Cloudflare Insights

Third-party hosts loaded (3)

  • substackcdn.com×256
  • js.sentry-cdn.com×1
  • static.cloudflareinsights.com×1

DNS records live

NS
  • ns-cloud-d1.googledomains.com
  • ns-cloud-d2.googledomains.com
  • ns-cloud-d3.googledomains.com
  • ns-cloud-d4.googledomains.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication weak

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApOhkpr8o8g5O5iZcUml7FnZihhZIialUJ3kqbEQFMkfx2b6qi0+oM9etCou+bg2TI9mzPPwhdJjCre…
selectors probed

Certificate (current)

E8
from 2026-05-12 to 2026-08-10
Expires in 82 days

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.publicnotice.co/

present
  • strict-transport-security
  • content-security-policy
findings
  • CSP uses wildcard sources
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
frame-ancestors 'self' https://*.substack.com https://substack.com
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (2)

Linked from (10)

See all sites whose homepage links to publicnotice.co →