indexo.dev

acert.de

.de crawl

First seen 2026-04-16 · Last seen 2026-05-17 · ok HTTP/1.1 200 4959 ms crawled 2026-05-11

DE · 87.118.120.242 · AS31103 Keyweb AG

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Acert GmbH
Language
de
Generator
All in One SEO (AIOSEO) 4.9.6.2
Canonical
https://www.acert.de/
Feeds

Open Graph

url
https://www.acert.de/
title
Acert GmbH
locale
de_DE
site name
Acert GmbH | Geprüfte Qualität | Zertifikate | Zertifizierung

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (1)

  • gmpg.org×1

Contact

Phone

Registration

Updated
2018-03-21
Name servers
  • ns1.servernet.work.
  • ns2.servernet.work.

DNS records live

NS
  • ns1.servernet.work
  • ns2.servernet.work
MX
  • 10 mail.acert.de

Email authentication partial

SPF
v=spf1 a mx ip4:87.118.120.242 ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; k=rsa; s=email; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvi4Qz1t9SZKhztKQ6josSHbmROEVz4gke58FMcwhUHieZhdw0/xhnouzfC6mkmpxCTV08…
selectors probed

Certificate (current)

R13
from 2026-03-12 to 2026-06-10
Expires in 21 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.acert.de/

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

Linked from (3)