indexo.dev

cnt.com

.com crawl

First seen 2026-05-11 · Last seen 2026-05-17 · ok HTTP/1.1 200 17850 ms crawled 2026-05-17

DE · 212.6.140.100 · AS8426 Claranet Limited

Reputation 100/100

Classifying

HTML metadata

Title
CNT AG - Communication Excellence
Description
First-class telecommunications solutions from the pioneer and technology leader in VoIP and the oldest Internet Service Provider in Germany.
Language
en
Canonical
https://www.cnt.com/en/
Translations
  • de
  • en

Open Graph

url
https://www.cnt.com/en/
title
CNT AG - Communication Excellence
description
First-class telecommunications solutions from the pioneer and technology leader in VoIP and the oldest Internet Service Provider in Germany.

Technology

Server
nginx
CMS
Next.js

Third-party hosts loaded (1)

  • cdn.sanity.io×19

Social

Contact

Email
Phone

Registration

Registrar
CSC Corporate Domains, Inc.
Created
1992-04-16
Expires
2031-04-17 1794 days left
Updated
2026-05-05
Name servers
  • dns1.p04.nsone.net
  • dns2.p04.nsone.net
  • dns3.p04.nsone.net
  • dns4.p04.nsone.net
  • ns0.cnt.net
  • ns1.cnt.net

DNS records live

NS
  • dns1.p04.nsone.net
  • dns2.p04.nsone.net
  • dns3.p04.nsone.net
  • dns4.p04.nsone.net
  • ns0.cnt.net
  • ns1.cnt.net
MX
  • 10 mail.cnt.net
TXT
Show 4 TXT records
  • apple-domain-verification=xkVoqI7z7hc94Ccd
  • asv_domain=c7f508beab485049d3b19d5b5994014a
  • google-site-verification=l-FB47espX95tVhHkKatzo6Iypo0gVe3mss2ZQdjSpI
  • atlassian-domain-verification=kPnKDI39Vdgl5kL2p8OcpPo7AS7vDR1uhf0EgmYU4rvbiCC4psMZ04GZfndc0TBK

Email authentication strong

SPF
v=spf1 mx mx:mail.cnt.net a:mail.crown.de a:smtp.crown.de ip4:85.10.224.197 ip4:85.10.224.187 ip4:213.148.141.90 ip4:213.148.141.91 ip4:213.239.234.76 ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:it@cnt.com; ruf=mailto:it@cnt.com; pct=100; aspf=r;
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA EV R36
from 2026-01-29 to 2027-03-02
Expires in 287 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.cnt.com/en/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=15768000; includeSubDomains

Links to (12)