ctk-poliklinik.de

Valid Email Server
Domain Lookup › ctk-poliklinik.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ctk-poliklinik.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 18:47:39 UTC · ↺ Refresh

MX Hostnames

  • ctk-mail02.donotspam.de
  • ctk-mail01.donotspam.de

MX Priorities

  • ctk-mail01.donotspam.de: 100
  • ctk-mail02.donotspam.de: 100

A / AAAA Records

  • 142.132.244.173 ↩ static.173.244.132.142.clients.your-server.de

Mail Server IPs

  • 212.18.1.58 ↩ ctk-mail01.donotspam.de
  • 212.18.21.84 ↩ ctk-mail02.donotspam.de

SOA Record

Raw SOA hydrogen.ns.hetzner.com dns.hetzner.com 2026031700 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026031700
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:212.111.231.0/27 ip4:212.111.231.224/28 ip4:85.190.183.226/32 ip4:85.190.183.224/32 ip4:85.190.183.225/32 a:mx01.rexx-systems.de include:_spf.donotspam.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • MS=ms28861643
  • cisco-ci-domain-verification=33c780dd852b7acb55603fc2477deeea433c049db14f4337a4eabbcaa4e9e62a
  • SPFv=spf1 a mx ip4:212.111.231.0/27 ip4:212.111.231.224/28 ip4:85.190.183.226/32 ip4:85.190.183.224/32 ip4:85.190.183.225/32 a:mx01.rexx-systems.de include:_spf.donotspam.de -all
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