indexo.dev

learnrubythehardway.org

.org crawl

First seen 2026-04-23 · Last seen 2026-05-14 · ok HTTP/1.1 200 5236 ms crawled 2026-05-17

DE · 138.201.193.136 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Learn Ruby the Hard Way

Technology

Server
Caddy
Analytics
  • Google Analytics
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • ajax.googleapis.com×1
  • fonts.googleapis.com×1
  • www.google-analytics.com×1

Social

Registration

Registrar
Gandi SAS
Created
2014-08-06
Expires
2026-08-06 78 days left
Updated
2025-10-13
Name servers
  • ns-148-c.gandi.net
  • ns-249-b.gandi.net
  • ns-43-a.gandi.net

DNS records live

NS
  • ns-148-c.gandi.net
  • ns-249-b.gandi.net
  • ns-43-a.gandi.net
MX
  • 0 mail.learnrubythehardway.org

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificates

Loading certificate

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://learnrubythehardway.org/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (2)

Linked from (1)