indexo.dev

h4.io

.io crawl

First seen 2026-04-14 · Last seen 2026-05-14 · ok HTTP/1.1 200 5809 ms crawled 2026-05-08

US · 172.67.186.208 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
h4.io
Description
h4.io est une instance Mastodon française, généraliste et stable. Inscris-toi, présente-toi et découvre simplement de nouvelles personnes !
Language
fr

Open Graph

url
https://h4.io/
title
h4.io
site name
Serveur Mastodon hébergé sur h4.io
description
h4.io est une instance Mastodon française, généraliste et stable. Inscris-toi, présente-toi et découvre simplement de nouvelles personnes !

Technology

CDN
Cloudflare
Analytics
  • Cloudflare Insights

Third-party hosts loaded (1)

  • static.cloudflareinsights.com×1

DNS records live

NS
  • doug.ns.cloudflare.com
  • mckenzie.ns.cloudflare.com
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
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-28 to 2026-07-27
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://h4.io/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
DENY
x-content-type-options
nosniff
content-security-policy
base-uri 'none'; default-src 'none'; frame-ancestors 'none'; font-src 'self' https://h4.io; img-src 'self' data: blob: https://h4.io https://cdn.h4.io; media-src 'self' data: https://h4.io https://cdn.h4.io; manifest-src 'self' https://h4.io; form-action 'none'; child-src 'self' blob: https://h4.io; worker-src 'self' blob: https://h4.io; connect-src 'self' data: blob: https://h4.io https://cdn.h4.io wss://h4.io; script-src 'self' https://h4.io 'wasm-unsafe-eval'; frame-src 'self' https:; style-src 'self' https://h4.io 'nonce-j5vTFSXSdhd3DVBWPFRPRg=='
strict-transport-security
max-age=63072000; includeSubDomains, max-age=31536000

Links to (1)

Linked from (2)