expert-sup.com

.com crawl

First seen 2026-04-23 · Last seen 2026-05-17 · ok HTTP/1.1 200 9753 ms crawled 2026-05-17

NL · 51.144.190.143 · AS8075 Microsoft Corporation

Reputation 100/100

Classifying

HTML metadata

Title: expert-sup.com (Dunod) : le site des étudiants et des enseignants en expertise comptable
Description: DCG, DSCG, DEC 2020-2021 : guide des études d'expertise comptable, livres, ressources numériques sur expert-sup.com (Dunod).

Open Graph

url: https://www.expert-sup.com/
title: expert-sup.com (Dunod) : le site des étudiants et des enseignants en expertise comptable
locale: fr_FR
description: DCG, DSCG, DEC 2020-2021 : guide des études d'expertise comptable, livres, ressources numériques sur expert-sup.com (Dunod).

Technology

Server: Apache

Analytics

Google Tag Manager

Fonts

Font Awesome
Google Fonts

Third-party hosts loaded (4)

fonts.googleapis.com×1
s7.addthis.com×1
use.fontawesome.com×1
www.googletagmanager.com×1

Social

Registration

Registrar

Gandi SAS

Created

2001-02-01

Expires

2027-02-01 258 days left

Updated

2026-01-01

Name servers

ns-135-c.gandi.net
ns-23-b.gandi.net
ns-4-a.gandi.net

DNS records live

NS

ns-135-c.gandi.net
ns-23-b.gandi.net
ns-4-a.gandi.net

Email authentication no MX

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

Certificate (current)

Gandi RSA Domain Validation Secure Server CA 3

from 2026-03-30 to 2026-10-15

Expires in 149 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.expert-sup.com

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy

findings

missing Permissions Policy

Header values

referrer-policy: no-referrer-when-downgrade
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: upgrade-insecure-requests
strict-transport-security: max-age=63072000; includeSubDomains; preload

Links to (6)

Linked from (1)

armand-colin.com×1