indexo.dev

kerstens.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 2190 ms crawled 2026-05-19

DE · 85.13.155.216 · AS34788 Neue Medien Muennich GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Home
Language
de-de

Open Graph

url
https://kerstens.de/
title
Home

Technology

Server
nginx
CMS
Joomla

Social

Contact

Email
Phone

Registration

Updated
2021-05-04
Name servers
  • ns5.kasserver.com.
  • ns6.kasserver.com.

DNS records live

NS
  • ns5.kasserver.com
  • ns6.kasserver.com
MX
  • 10 mail.kerstens.de

Email authentication weak

SPF
v=spf1 a mx ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-07 to 2026-07-06
Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (1)

Linked from (2)

See all sites whose homepage links to kerstens.de →