karlpetersenbau.de

.de crawl

First seen 2026-05-21 · Last seen 2026-05-27 · ok HTTP/1.1 200 2702 ms crawled 2026-05-27

FR · 92.205.50.14 · AS21499 Host Europe GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Bauunternehmen in Ahrensburg - Karl Petersen Bauausführungen GmbH
Description
Karl Petersen Bauausführungen GmbH, Tel.: 04102 / 677 20 -0 ist Ihr Experte für Mehrfamilienhäuser und Geschosswohnungsbau in Hamburg und Schleswig-Holstein.
Language
de
Generator
WordPress 6.8.5
Canonical
https://www.karlpetersenbau.de/
Feeds

Open Graph

url
https://www.karlpetersenbau.de/
title
Bauunternehmen in Ahrensburg - Karl Petersen Bauausführungen GmbH
locale
de_DE
site name
Karl Petersen Bauausführungen GmbH
description
Karl Petersen Bauausführungen GmbH, Tel.: 04102 / 677 20 -0 ist Ihr Experte für Mehrfamilienhäuser und Geschosswohnungsbau in Hamburg und Schleswig-Holstein.

Technology

Server
nginx
CMS
WordPress 6.8.5
jQuery
3.7.1

Third-party hosts loaded (1)

  • gmpg.org×1

Social

Contact

Email
Phone

Registration

Updated
2021-08-09
Name servers
  • ns81.domaincontrol.com.
  • ns82.domaincontrol.com.

DNS records live

NS
  • ns81.domaincontrol.com
  • ns82.domaincontrol.com
MX
  • 0 karlpetersenbau-de.mail.protection.outlook.com
TXT
  • autodesk-domain-verification=PMWl3d3PJm1cNST1PvJk
  • goodnotes-verification=253af82d-fd07-4efa-b4a0-473d46137294
Verified for
  • Apple
  • Microsoft 365

Email authentication partial

SPF
v=spf1 mx include:ispgateway.de ip4:90.187.15.189 ip4:77.37.110.159 ip4:20.191.59.8 ip4:77.37.110.123 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:admin@karlpetersenbau.de; ruf=mailto:admin@karlpetersenbau.de; fo=1
policy: none (monitoring only)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvFbMsIZoeA+dliFCWCAEQxMr4fAlayweYrLmfKheO73iOaJ3aLaRFAlD/b9BRKeg03C2Ql7/BG+p/A…
selectors probed

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2026-05-19 to 2026-11-20
Expires in 172 days

HTTP security headers

Header hygiene 35/100 Checked live page: https://www.karlpetersenbau.de/

present
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
Header values
permissions-policy
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")

Links to (3)

Linked from (1)