indexo.dev

ctkgmbh.com

.com dns

First seen 2026-05-12 · Last seen 2026-05-12 · ok HTTP 200 2484 ms crawled 2026-05-18

DE · 217.160.0.135 · AS8560 IONOS SE

Reputation 95/100 weak security headers

Registration

Registrar
IONOS SE
Created
2003-09-11
Expires
2026-09-11 113 days left
Updated
2025-09-12
Name servers
  • ns1053.ui-dns.biz
  • ns1053.ui-dns.com
  • ns1053.ui-dns.de
  • ns1053.ui-dns.org

DNS records live

NS
  • ns1053.ui-dns.biz
  • ns1053.ui-dns.com
  • ns1053.ui-dns.de
  • ns1053.ui-dns.org
MX
  • 10 securemail.ctkgmbh.com
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 mx include:_spf.perfora.net include:_spf.kundenserver.de include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC
v=DMARC1;p=reject;pct=100;rua=mailto:technik@ctkgmbh.com
policy: reject (enforced)
DKIM
no key found at common selectors

Certificates

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