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debian-handbook.info

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First seen 2026-06-04 · Last seen 2026-06-04 · ok HTTP/1.1 200 149 ms crawled 2026-06-04

FR · 155.133.138.5 · AS203476 GANDI SAS

Reputation 87/100 weak security headers spf without fallback

Classifying

HTML metadata

Title
The Debian Administrator's Handbook
Description
The Debian Administrator's Handbook is a fantastic resource for all users of a Debian-based distribution. Accessible to all, this book teaches the essentials to anyone who wants to become an effective and independent Debian GNU/Linux administrator.
Language
en-US
Canonical
https://debian-handbook.info/
Feeds

Open Graph

url
https://debian-handbook.info/
title
About this project
site name
The Debian Administrator's Handbook
description
Written by two Debian developers — Raphaël Hertzog and Roland Mas — the Debian Administrator's Handbook started as a translation of their French best-seller known as Cahier de l'admin Debian (published by Eyrolles). It's a fantastic resource for all users of a Debian-based distribution. Accessible to all, this book teaches the essentials to anyone who […]

Technology

Server
Apache
CMS
WordPress
PHP
8.3.29 security-only
jQuery
3.6.0
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • downloads.mailchimp.com×2
  • fonts.googleapis.com×2
  • ajax.googleapis.com×1
  • s.w.org×1

Contact

Phone

Registration

Registrar
Gandi SAS
Created
2011-05-05
Expires
2027-05-05 334 days left
Updated
2026-03-11
Name servers
  • ns-57-c.gandi.net
  • ns-39-a.gandi.net
  • ns-66-b.gandi.net

DNS records live

NS
  • ns-39-a.gandi.net
  • ns-57-c.gandi.net
  • ns-66-b.gandi.net
MX
  • 10 spool.mail.gandi.net
  • 50 fb.mail.gandi.net

Email authentication strong

SPF
v=spf1 redirect=_spf.ouaza.com
missing all
DMARC
v=DMARC1; p=reject
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

GandiCert
from 2025-11-25 to 2026-12-24
Expires in 202 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://debian-handbook.info/

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

Links to (5)

Linked from (1)