indexo.dev

rubyrubyrubyruby.dev

.dev crawl

First seen 2026-04-28 · Last seen 2026-05-18 · ok HTTP/1.1 200 307 ms crawled 2026-05-06

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Read The Nice Manual – RubyRubyRubyRuby
Description
Matz is nice and so is the Ruby documentation.
Language
en

Open Graph

url
https://rubyrubyrubyruby.dev
title
Read The Nice Manual – RubyRubyRubyRuby
description
Matz is nice and so is the Ruby documentation.

Technology

CDN
Fastly
Server
GitHub.com
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×2
  • fonts.gstatic.com×1

Social

DNS records live

NS
  • ns-174-a.gandi.net
  • ns-178-c.gandi.net
  • ns-230-b.gandi.net
MX
  • 10 spool.mail.gandi.net
  • 50 fb.mail.gandi.net

Email authentication partial

SPF
v=spf1 include:_mailcust.gandi.net ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-27 to 2026-07-26
Expires in 67 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://rubyrubyrubyruby.dev/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (6)

Linked from (1)