cbt-gmbh.de

Valid Email Server
Domain Lookup › cbt-gmbh.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cbt-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 08:26:51 UTC · ↺ Refresh

MX Hostnames

  • mailgate.maerz-network.de

MX Priorities

  • mailgate.maerz-network.de: 10

A / AAAA Records

  • 92.205.150.140 (no PTR)

Mail Server IPs

  • 45.142.56.116 ↩ mailgate.maerz-network.de

SOA Record

Raw SOA ns81.domaincontrol.com dns.jomax.net 2026031902 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031902
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns81.domaincontrol.com
ns82.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

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

4 records
  • MS=ms79353955
  • apple-domain-verification=nhuJNPvUM1ew6FRK
  • SPFv=spf1 mx ~all
  • adobe-idp-site-verification=ec943ccf7c61a338ea739435ce7101786860b984afff6ad3e3eeb502d983ec93
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