indexo.dev

seidel-hsk.de

.de crawl

First seen 2026-05-12 · Last seen 2026-05-12 · ok HTTP/1.1 200 1357 ms crawled 2026-05-18

DE · 85.13.132.181 · AS34788 Neue Medien Muennich GmbH

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title
Fred Seidel | Heizung Sanitär Klima | Startseite
Description
Herzlich Willkommen bei Ihrem Partner für Heizung, Sanitär und Klima!

Technology

Server
nginx

Social

Registration

Updated
2023-05-17
Name servers
  • ns3.kasserver.com.
  • ns4.kasserver.com.

DNS records live

NS
  • ns3.kasserver.com
  • ns4.kasserver.com
MX
  • 10 v155444.kasserver.com

Email authentication weak

SPF
v=spf1 a mx include:spf.kasserver.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

Sectigo Public Server Authentication CA DV R36
from 2025-12-04 to 2027-01-05
Expires in 230 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://seidel-hsk.de/index.html

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (2)

Linked from (1)