indexo.dev

schornsteinfeger-hamburg.de

.de crawl

First seen 2026-05-14 · Last seen 2026-05-15 · ok HTTP/1.1 200 1201 ms crawled 2026-05-19

DE · 116.203.230.135 · AS24940 Hetzner Online GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Hamburger Schornsteinfeger
Description
Schornsteinfeger Portal für Deutschland

Technology

Server
Apache

Registration

Updated
2023-09-13
Name servers
  • nsa1.schlundtech.de.
  • nsb1.schlundtech.de.
  • nsc1.schlundtech.de.
  • nsd1.schlundtech.de.

DNS records live

NS
  • nsa1.schlundtech.de
  • nsb1.schlundtech.de
  • nsc1.schlundtech.de
  • nsd1.schlundtech.de
MX
  • 0 mail.dexpost02.de

Email authentication strong

SPF
v=spf1 a mx ip4:202.61.239.11 ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; sp=quarantine; adkim=s; aspf=s; rua=mailto:dmarc@schornsteinfeger-hamburg.de; ruf=mailto:dmarc@schornsteinfeger-hamburg.de; pct=5; fo=1;
policy: quarantine · pct=5 · sp=quarantine
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-12 to 2026-08-10
Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://schornsteinfeger-hamburg.de/

present
  • strict-transport-security
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=0

Links to (2)

Linked from (1)