kern-bau-mahlberg.de

.de crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 1289 ms crawled 2026-06-01

DE · 35.198.110.221 · AS396982 Google LLC

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Home - Helmut Kern GmbH
Language
de

Technology

Server
Kestrel
jQuery
3.2.1 known XSS (<3.5)

Third-party hosts loaded (1)

  • static.envisia.de×4

Social

Contact

Email
Phone

Registration

Updated
2018-12-18
Name servers
  • ns-1155.awsdns-16.org.
  • ns-1973.awsdns-54.co.uk.
  • ns-342.awsdns-42.com.
  • ns-521.awsdns-01.net.

DNS records live

NS
  • ns-1155.awsdns-16.org
  • ns-1973.awsdns-54.co.uk
  • ns-342.awsdns-42.com
  • ns-521.awsdns-01.net
MX
  • 0 kernbaumahlberg-de01bb.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-19 to 2026-08-17
Expires in 75 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.kern-bau-mahlberg.de/

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

Links to (3)

Linked from (1)