indexo.dev

herzretter.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 2965 ms crawled 2026-05-08

DE · 217.160.0.18 · AS8560 IONOS SE

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Gemeinnütziger Verein Herzretter e.V. Hamburg
Description
Die Herzretter vermitteln in kurzen, intensiven Trainings das erforderliche Grundwissen der Wiederbelebung.
Language
de
Generator
WordPress 6.9.4
Canonical
https://herzretter.de/
Feeds

Open Graph

url
https://herzretter.de
title
Startseite
locale
de_DE
site name
Herzretter e.V.
description
Die Herzretter vermitteln in kurzen, intensiven Trainings das erforderliche Grundwissen der Wiederbelebung.

Technology

Server
Apache
CMS
WordPress

Social

Registration

Updated
2021-10-18
Name servers
  • ns.udag.de.
  • ns.udag.net.
  • ns.udag.org.

DNS records live

NS
  • ns.udag.de
  • ns.udag.net
  • ns.udag.org
MX
  • 10 mx00.udag.de
  • 20 mx01.udag.de
Verified for
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:_smtp.udag.de ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:anfragen@herzretter.de;
policy: quarantine
DKIM
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-11-08 to 2026-11-23
Expires in 186 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (16)

Linked from (1)