cpbau.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cpbau.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-02 22:17:41 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • cpbau-de.mail.protection.outlook.com: 1

A / AAAA Records

  • 162.55.254.29 ↩ www590.your-server.de
  • 2a01:4f8:1061:1304::2 ↩ www590.your-server.de

Mail Server IPs

  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.your-server.de postmaster.your-server.de 2026040200 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026040200
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.de.exclaimer.net include:spf.eu.exclaimer.net include:spf.eu2.exclaimer.net a:www590.your-server.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

5 records
  • logmein-verification-code=rTaGS89TNeLcr6vIw8dUKpGxS
  • sendinblue-code:2785f24558a1d82c26a3faae9971911b
  • swisssign-check=j5ZKVR9R7lR8zMzE0zp5Jbec_Yg
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.de.exclaimer.net include:spf.eu.exclaimer.net include:spf.eu2.exclaimer.net a:www590.your-server.de -all
  • apple-domain-verification=CeLgyXQPZa47r2kL
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