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marsreview.org

.org crawl

First seen 2026-04-22 · Last seen 2026-05-12 · ok HTTP/1.1 200 1587 ms crawled 2026-05-16

US · 104.26.8.229 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Mars Review of Books | Noah Kumin | Substack
Description
The Digital Home of the Mars Review of Books. Click to read Mars Review of Books, by Noah Kumin, a Substack publication with thousands of subscribers.
Language
en
Canonical
https://marsreview.org/
Feeds

Open Graph

url
https://marsreview.org/
title
Mars Review of Books | Noah Kumin | Substack
description
The Digital Home of the Mars Review of Books. Click to read Mars Review of Books, by Noah Kumin, a Substack publication with thousands of subscribers.

Technology

CDN
Cloudflare
CMS
Gatsby
Analytics
  • Cloudflare Insights
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • substackcdn.com×261
  • static.cloudflareinsights.com×2
  • fonts.gstatic.com×1
  • js.sentry-cdn.com×1

Registration

Registrar
Gandi SAS
Created
2022-02-01
Expires
2027-02-01 258 days left
Updated
2026-02-01
Name servers
  • evan.ns.cloudflare.com
  • kinsley.ns.cloudflare.com

DNS records live

NS
  • evan.ns.cloudflare.com
  • kinsley.ns.cloudflare.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
TXT
  • google-site-verification=TssZlROOOfRjDkFHnzil-xbxZEoJkHucNvqARn4o7NM

Email authentication weak

SPF
v=spf1 include:_mailcust.gandi.net include:_spf.google.com ?all
neutral (?all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuiTkYD9FiSsWSr/ufkJMBGl4P+n0T4DwK6B67pO85SExjPpFLqjvFHKh54FOkKZX60joIuprKszKOB…
selectors probed

Certificate (current)

WE1
from 2026-04-21 to 2026-07-20
Expires in 63 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://marsreview.org/

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 (3)

Linked from (1)