dr-birkhahn.de

Valid Email Server
Domain Lookup › dr-birkhahn.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dr-birkhahn.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 02:12:00 UTC · ↺ Refresh

MX Hostnames

  • mxext2.mailbox.org
  • drbirkhahn-de0e.mail.protection.outlook.com
  • mxext3.mailbox.org
  • mxext1.mailbox.org

MX Priorities

  • mxext2.mailbox.org: 10
  • mxext1.mailbox.org: 10
  • drbirkhahn-de0e.mail.protection.outlook.com: 0
  • mxext3.mailbox.org: 20

A / AAAA Records

  • 217.69.87.10

Mail Server IPs

  • 80.241.60.215 ↩ mx2.mailbox.org
  • 2001:67c:2050:104::2:25:1 ↩ mx2.mailbox.org
  • 80.241.60.212 ↩ mx1.mailbox.org
  • 2001:67c:2050:104::1:25:1 ↩ mx1.mailbox.org
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2
  • 2a01:111:f403:ca2d::1
  • 80.241.60.216
  • 2001:67c:2050:104::3:25:1

SOA Record

Raw SOA ns1.plusserver.com hostmaster.plusserver.com 2021122803 1800 900 604800 900
Primary NS (mname)
ns1.plusserver.com
Admin Email (rname)
hostmaster@plusserver.com
Serial
2021122803
Refresh
1800s
Retry
900s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

ns1.plusserver.com
ns3.plusserver.com
ns2.plusserver.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mail.psmanaged.com include:smtp.openit.de include:mailbox.org -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

2 records
  • MS=ms72553495
  • SPFv=spf1 include:spf.protection.outlook.com include:mail.psmanaged.com include:smtp.openit.de include:mailbox.org -all
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