indexo.dev

gkd-el.de

.de crawl dns

First seen 2026-05-02 · Last seen 2026-05-19 · ok HTTP/1.1 200 5148 ms crawled 2026-05-09

DE · 217.70.161.140 · AS16024 GELSEN-NET Kommunikationsgesellschaft mbH

Reputation 100/100

Classifying

HTML metadata

Title
gkd-el - Startseite
Language
de-DE
Canonical
https://www.gkd-el.de/

Open Graph

url
https://www.gkd-el.de/
title
Startseite
locale
de-DE
site name
gkd-el

Technology

Server
nginx

Social

Registration

Updated
2023-12-18
Name servers
  • a.dns-gelsen.net.
  • b.dns-gelsen.net.

DNS records live

NS
  • a.dns-gelsen.net
  • b.dns-gelsen.net
MX
  • 100 filter.gkd-el.de
  • 50 mailgw.gkd-el.de
TXT
  • have-i-been-pwned-verification=13f8d7a365e884276582c222afd32a91
  • duo_sso_verification=yy9shH3HAuklv9dryEfimRMQxHlRNgqRsACI1LtnESkPjWoL3ugVN0pJWuC9NiLd
Verified for
  • Apple
  • Cisco
  • Microsoft 365

Email authentication strong

SPF
v=spf1 mx ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; rua=mailto:t2ardjkj@ag.dmarcian.com
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-18 to 2026-07-17
Expires in 58 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.gkd-el.de/

present
  • strict-transport-security
  • content-security-policy
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • short HSTS max-age
  • missing frame protection
Header values
referrer-policy
origin-when-cross-origin, strict-origin
permissions-policy
geolocation=();midi=();notifications=();push=();sync-xhr=();microphone=();camera=();magnetometer=();gyroscope=();speaker=(self);vibrate=();fullscreen=(self);payment=();
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'none'
strict-transport-security
max-age=2592000

Links to (2)

Linked from (1)