indexo.dev

blumenberg-hls.de

.de crawl

First seen 2026-04-19 · Last seen 2026-05-10 · ok HTTP/1.1 200 4542 ms crawled 2026-05-13

DE · 81.169.145.64 · AS6724 Strato GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Willkommen bei Blumenberg Heizung-Sanitär
Description
Meisterbetrieb für Heizung, Sanitär, Solar
Generator
SIQUANDO Pro (#9892-5485)

Technology

Server
Apache

Third-party hosts loaded (1)

  • consenttool.haendlerbund.de×1

Contact

Email
Phone

Registration

Updated
2010-10-28
Name servers
  • docks14.rzone.de.
  • shades12.rzone.de.

DNS records live

NS
  • docks14.rzone.de
  • shades12.rzone.de
MX
  • 5 smtpin.rzone.de
TXT
  • MS=ms15505437

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsqv/rBDffuCAxai3SXwaLyCR+m76AbAEQoderzgeERiurPyHFzQBQ97azjCtgupihvn/e6yPa7Skix…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-05-08 to 2026-11-05
Expires in 169 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://blumenberg-hls.de/

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

Linked from (1)