cpgmbh.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cpgmbh.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 07:53:52 UTC · ↺ Refresh

MX Hostnames

  • cpgmbh-de.mail.protection.outlook.com

MX Priorities

  • cpgmbh-de.mail.protection.outlook.com: 5

A / AAAA Records

  • 193.194.136.137 ↩ dbc-gruppe.de

Mail Server IPs

  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.domainoffensive.de info.domains.resellerinterface.de 1769215459 14400 3600 604800 300
Primary NS (mname)
ns1.domainoffensive.de
Admin Email (rname)
info@domains.resellerinterface.de
Serial
1769215459
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns2.domainoffensive.eu
ns3.domainoffensive.net
ns1.domainoffensive.de

SPF Record

✓ Strict (-all)
v=spf1 a mx a:mail.fp-sign.com ip4:193.194.136.0/24 ip4:195.90.7.71 ip4:87.193.182.242 ip4:83.246.89.68/32 include:spf.protection.outlook.com include:maildomain._spf.datev.de include:spf.eu.exclaimer.net include:spf.dbc-gruppe.de include:spf.sendinblue.com include:spf.crsend.com -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

3 records
  • h69by6xzmtncrqy7q66zd1dwcrjpdb2k
  • SPFv=spf1 a mx a:mail.fp-sign.com ip4:193.194.136.0/24 ip4:195.90.7.71 ip4:87.193.182.242 ip4:83.246.89.68/32 include:spf.protection.outlook.com include:maildomain._spf.datev.de include:spf.eu.exclaimer.net include:spf.dbc-gruppe.de include:spf.sendinblue.com include:spf.crsend.com -all
  • MS=ms62386332
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