indexo.dev

hdbt.de

.de dns crawl

First seen 2026-05-10 · Last seen 2026-05-16 · ok HTTP/1.1 200 4677 ms crawled 2026-05-16

DE · 85.215.201.71 · AS8560 IONOS SE

Reputation 70/100 wrong cert weak security headers

Classifying

HTML metadata

Title
Helling Datenbanktechnik GmbH, Hannover - Internet, Intranet, Hosting, Domains: Internet
Description
Die Helling Datenbanktechnik GmbH, Hannover, berät und betreut gewerbliche Kunden in den Bereichen SQL-Datenbanken und Web-Technologien.
Language
de
Generator
TYPO3 CMS
Canonical
/internet

Technology

Server
Apache

Registration

Updated
2024-10-18
Name servers
  • ns1.helling.net.
  • ns2.helling.net.
  • ns3.helling.net.

DNS records live

NS
  • ns1.helling.net
  • ns2.helling.net
  • ns3.helling.net
MX
  • 10 mail06.hdbt.de
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.hdbt.de ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; rua=mailto:dmarc-hdbt@hdbt.de; ruf=mailto:dmarc-hdbt@hdbt.de;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current) wrong cert

Thawte TLS RSA CA G1
from 2025-11-27 to 2026-12-29
Expires in 222 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.hdbt.de/internet

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff