indexo.dev

grk.de

.de crawl

First seen 2026-04-27 · Last seen 2026-05-20 · ok HTTP/1.1 200 3900 ms crawled 2026-05-20

DE · 217.160.0.71 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Startseite - GRK-Gruppe
Language
de
Generator
WordPress 6.9.4
Canonical
https://www.grk.de/
Feeds

Open Graph

url
https://www.grk.de/
title
Startseite - GRK-Gruppe
locale
de_DE
site name
GRK-Gruppe

Technology

Server
Apache
CMS
WordPress 6.9.4
jQuery
3.7.1

Social

Contact

Email
Phone

Registration

Updated
2020-05-20
Name servers
  • ns1042.ui-dns.org.
  • ns1058.ui-dns.com.
  • ns1084.ui-dns.de.
  • ns1103.ui-dns.biz.

DNS records live

NS
  • ns1042.ui-dns.org
  • ns1058.ui-dns.com
  • ns1084.ui-dns.de
  • ns1103.ui-dns.biz
MX
  • 0 grk-de.mail.protection.outlook.com
  • 10 mail.grk.de
  • 20 mx00.kundenserver.de
  • 30 mx01.kundenserver.de
TXT
  • amazon-business-verification=3e1c1357a235819bed1fe8c79b316caa32fc2b898967daf8396e146e8d3b141b
Verified for
  • Apple
  • Microsoft 365

Email authentication partial

SPF
v=spf1 a mx ip4:85.232.31.90 include:_spf.getresponse.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; ruf=mailto:it@grk.de; fo=1
policy: none (monitoring only)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvsGUG5imP95tSvXdnwSwJMIjGhct/3G5Rsml5HroyeIQY1Nuv3uLtYb01hcl/AkevMmeQtpSBJ5SFe…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-08-14 to 2026-08-29
Expires in 100 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.grk.de/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (4)

Linked from (1)