indexo.dev

heinrich-karstens.de

.de crawl

First seen 2026-05-11 · Last seen 2026-05-17 · ok HTTP/1.1 200 22924 ms crawled 2026-05-17

DE · 134.119.225.50 · AS34011 Host Europe GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
HEINRICH
Language
de
Generator
TYPO3 CMS
Canonical
https://www.heinrich-karstens.de/

Technology

Server
nginx

Social

Contact

Email
Phone
Address
Heinrich KarstensBauunternehmung GmbH & Co. KGEckernförder Strasse 35324107 Kiel

Registration

Updated
2024-04-05
Name servers
  • ns.ui-global-dns.biz.
  • ns.ui-global-dns.com.
  • ns.ui-global-dns.de.
  • ns.ui-global-dns.org.

DNS records live

NS
  • ns.ui-global-dns.biz
  • ns.ui-global-dns.com
  • ns.ui-global-dns.de
  • ns.ui-global-dns.org
MX
  • 10 mx01.hornetsecurity.com
  • 20 mx02.hornetsecurity.com
  • 30 mx03.hornetsecurity.com
  • 40 mx04.hornetsecurity.com
TXT
  • tv1hfd4qup1flg5ia7rngjk6nk
  • v=verifydomain MS=6982120
  • 6ek0uao1s2kiu3ivcc5roqs4db

Email authentication weak

SPF
v=spf1 mx a:smtp.karstens.de include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de include:spf.hornetsecurity.com include:spf.protection.outlook.com a:exchangesrv.heinrich-karstens.de ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2025-06-16 to 2026-07-16
Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.heinrich-karstens.de/

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

Links to (6)

Linked from (1)