indexo.dev

gaertner.de

.de crawl dns

First seen 2026-04-21 · Last seen 2026-05-20 · ok HTTP/1.1 200 2154 ms crawled 2026-05-15

DE · 217.13.65.3 · AS24956 Gaertner Datensysteme GmbH & Co. KG

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Internet, Beratung, Glasfaser und Rechenzentrum
Description
Die Seite der Gärtner Datensysteme. Informationen rund um Internet, Beratung, Glasfaser und Hosting im eigenen Rechenzentrum.
Language
de-DE
Generator
TYPO3 CMS
Canonical
/

Technology

Server
Apache
CMS
Joomla

Registration

Updated
2023-07-20
Name servers
  • ns2.gaertner.de.
  • ns2.pop-hannover.net.
  • ns.gaertner.de.

DNS records live

NS
  • ns.asys-h.de
  • ns.gaertner.de
  • ns2.gaertner.de
  • ns2.pop-hannover.net
MX
  • 10 kenny.gaertner.de
Verified for
  • Google

Email authentication partial

SPF
v=spf1 mx include:_netblocks1.gaertner.de include:_netblocks2.gaertner.de ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc-rua@gaertner.de; ruf=mailto:dmarc-ruf@gaertner.de; sp=none; fo=1
policy: none (monitoring only) · sp=none
DKIM
no key found at common selectors

Certificate (current)

Sectigo RSA Domain Validation Secure Server CA
from 2025-07-31 to 2026-09-01
Expires in 103 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.gaertner.de/

present
  • strict-transport-security
  • content-security-policy-report-only
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • missing Content Security Policy
Header values
referrer-policy
same-origin
x-frame-options
SAMEORIGIN
permissions-policy
Permissions-Policy: microphone=(self)
x-content-type-options
nosniff
strict-transport-security
max-age=31536000
content-security-policy-report-only
default-src 'self'; script-src 'self' 'unsafe-inline' ; style-src 'self' 'unsafe-inline' ; img-src 'self' *.gaertner.de; frame-src 'self' https://www.openstreetmap.org ; font-src 'self' ; base-uri 'self'; form-action 'self'; frame-ancestors 'self'

Linked from (1)