cb-gmbh.com

Valid Email Server
Domain Lookup › cb-gmbh.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cb-gmbh.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 06:13:37 UTC · ↺ Refresh

MX Hostnames

  • cbgmbh-com0e.mail.protection.outlook.com

MX Priorities

  • cbgmbh-com0e.mail.protection.outlook.com: 10

A / AAAA Records

  • 81.17.209.58 (no PTR)

Mail Server IPs

  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns.mpexnet.de hostmaster.mpexnet.de 2026030901 86400 7200 604800 1800
Primary NS (mname)
ns.mpexnet.de
Admin Email (rname)
hostmaster@mpexnet.de
Serial
2026030901
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ns2.mpexnet.de
ns.mpexnet.de
ns3.mpex.net

SPF Record

✓ Strict (-all)
v=spf1 include:_spfcommon.cb-gmbh.com include:_spf.rexx-systems.com mx -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected];aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 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

5 records
  • MS=ms62066370
  • apple-domain-verification=5zmKY4HtxQbZCnao
  • sending_domain1106101=1a55a5b8d0ac50ee3ac9cdead57510fed21f4dae399c00f25fb768cafd066f19
  • SPFv=spf1 include:_spfcommon.cb-gmbh.com include:_spf.rexx-systems.com mx -all
  • langdock-verify=Ik7CVXtc8i3R90swEKUcllo3AnpatW0Y2zRxupeU5f0
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