indexo.dev

heimdall-performance.de

.de crawl

First seen 2026-05-16 · Last seen 2026-05-16 · ok HTTP/1.1 200 927 ms crawled 2026-05-20

DE · 216.162.200.200 · AS396982 Google LLC

Reputation 100/100

Classifying

HTML metadata

Title
Webdesign & SEO‑Agentur Köln | Heimdall Performance
Description
Professionelle Website mit Top-Performance auf Desktop & Mobile + nachhaltige SEO-Optimierung. Mehr Traffic & Anfragen – direkt aus Köln.
Language
de
Canonical
https://heimdall-performance.de/

Open Graph

url
https://heimdall-performance.de/
title
Webdesign & SEO‑Agentur Köln | Heimdall Performance
site name
heimdall-performance.de
description
Professionelle Website mit Top-Performance auf Desktop & Mobile + nachhaltige SEO-Optimierung. Mehr Traffic & Anfragen – direkt aus Köln.

Technology

Third-party hosts loaded (2)

  • onecdn.io×57
  • www.facebook.com×1

Social

Registration

Updated
2024-09-16
Name servers
  • docks18.rzone.de.
  • shades10.rzone.de.

DNS records live

NS
  • docks18.rzone.de
  • shades10.rzone.de
MX
  • 10 smtp.google.com
  • 100 relay.rzone.de
Verified for
  • Google

Email authentication strong

SPF
v=spf1 include:_spf.google.com -all
strict (-all)
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

ZeroSSL RSA Domain Secure Site CA
from 2026-03-28 to 2026-06-27
Expires in 37 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 100/100 Checked live page: https://heimdall-performance.de/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
permissions-policy
camera=(), microphone=(), geolocation=()
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
strict-transport-security
max-age=31536000

Links to (6)

Linked from (1)