indexo.dev

koellen.de

.de crawl

First seen 2026-04-16 · Last seen 2026-05-11 · ok HTTP/1.1 200 2698 ms crawled 2026-05-11

DE · 45.144.187.21 · AS15817 Mittwald CM Service GmbH & Co. KG

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Home - Köllen Druck+Verlag GmbH
Language
de
Generator
Powered by LayerSlider 7.11.1 - Build Heros, Sliders, and Popups. Create Animations and Beautiful, Rich Web Content as Easy as Never Before on WordPress.
Canonical
https://www.koellen.de/
Feeds

Open Graph

url
https://www.koellen.de/
title
Home - Köllen Druck+Verlag GmbH
locale
de_DE
site name
Köllen Druck+Verlag GmbH

Technology

CMS
WordPress

Social

Contact

Email
Phone

Registration

Updated
2014-06-19
Name servers
  • dns11.netcologne.de.
  • dns12.netcologne.de.
  • dns13.netcologne.de.
  • dns14.netcologne.de.

DNS records live

NS
  • dns11.netcologne.de
  • dns12.netcologne.de
  • dns13.netcologne.de
  • dns14.netcologne.de
MX
  • 10 mail.koellen.de
  • 50 mailrelay.netcologne.de
TXT
  • 7q4gjroq6f31ph6s1hld79ml23
  • domainVerification=7dc8d8e1-2641-432c-b668-560249725532
Verified for
  • Google
  • Microsoft 365

Email authentication partial

SPF
v=spf1 mx a include:ispgateway.de include:agenturserver.de ip4:178.15.194.178 ip4:87.139.192.150 ip4:62.54.179.190 ip4:154.56.81.64/26 ip4:130.117.9.64/26 ~all
softfail (~all)
DMARC
v=DMARC1;p=none;pct=100;ruf=mailto:admin@koellen.de;fo=0:d:s;aspf=r;adkim=r;
policy: none (monitoring only)
DKIM
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

R12
from 2026-03-21 to 2026-06-19
Expires in 29 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://www.koellen.de/

present
  • strict-transport-security
  • content-security-policy
  • content-security-policy-report-only
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
  • cross-origin-opener-policy
  • cross-origin-embedder-policy
  • cross-origin-resource-policy
findings
  • weak frame protection
  • weak content type protection
Header values
referrer-policy
strict-origin-when-cross-origin, strict-origin-when-cross-origin
x-frame-options
DENY, SAMEORIGIN, DENY
permissions-policy
accelerometer=(), autoplay=(), camera=(), cross-origin-isolated=(), display-capture=(self), encrypted-media=(), fullscreen=*, geolocation=(self), gyroscope=(), keyboard-map=(), magnetometer=(), microphone=(), midi=(), payment=*, picture-in-picture=*, publickey-credentials-get=(), screen-wake-lock=(), sync-xhr=*, usb=(), xr-spatial-tracking=(), gamepad=(), serial=(), accelerometer=(), autoplay=(), camera=(), cross-origin-isolated=(), display-capture=(self), encrypted-media=(), fullscreen=*, geolocation=(self), gyroscope=(), keyboard-map=(), magnetometer=(), microphone=(), midi=(), payment=*, picture-in-picture=*, publickey-credentials-get=(), screen-wake-lock=(), sync-xhr=*, usb=(), xr-spatial-tracking=(), gamepad=(), serial=()
x-content-type-options
nosniff, nosniff
content-security-policy
upgrade-insecure-requests;, upgrade-insecure-requests;
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-opener-policy
unsafe-none, unsafe-none
cross-origin-embedder-policy
unsafe-none; report-to='default', unsafe-none; report-to='default'
cross-origin-resource-policy
cross-origin, cross-origin
content-security-policy-report-only
script-src 'self'

Links to (4)

Linked from (2)