indexo.dev

ctnm.de

.de dns

First seen 2026-05-01 · Last seen 2026-05-18 · ok HTTP/1.1 200 669 ms crawled 2026-05-08

DE · 188.40.252.234 · AS24940 Hetzner Online GmbH

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
CTNM - Internetagentur aus Hamburg
Language
de

Technology

Server
nginx

Contact

Email
Phone

Registration

Updated
2008-04-17
Name servers
  • auth2.artfiles.de.
  • auth3.artfiles.de.
  • ns1.ctnm.de.

DNS records live

NS
  • auth2.artfiles.de
  • auth3.artfiles.de
  • ns1.ctnm.de
MX
  • 10 ctnm-de.mail.protection.outlook.com
TXT
  • MS=ms92385081
  • google-site-verification=HnRB6P0JwstPNVSGSi_UOYIpYdDNNtz3RcY8u1XOMd0

Email authentication partial

SPF
v=spf1 a mx include:spf.protection.outlook.com ip4:212.72.173.0/24 ip4:195.158.184.193/29 ip4:217.91.80.222 ip4:212.53.157.1/26 ip4:212.72.166.130/25 ip4:159.69.141.165 ip4:168.119.0.220 ip6:2a01:4f8:252:181d::2 ip4:157.90.215.159 ip6:2a01:4f8:252:1ce0::2 ip4:78.46.97.4 ip6:2a01:4f8:120:8212::2 -all
strict (-all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDDWQpKfxto9jRemtiIeqI8GwwEiMeNvr0W2xcrTnSYvrb1MPAxw7HPiL+Q+bEwTSfEjwLdfm9+4AMNlL9lEqE2QOF9+…
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA03dFyO4amENjjYeKR/DpL+x6WxZb22zDZAVD6v3XBcY2uIb1XeJNQatL6Z9YZkwI7kwCJqlSWmuuOh…
selectors probed

Certificate (current)

R13
from 2026-04-11 to 2026-07-10
Expires in 52 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://ctnm.de/

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Links to (3)