bullnheimer.de

Valid Email Server
Domain Lookup › bullnheimer.de

Domain Overview

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

Checked via [email protected] · 2026-03-25 05:37:19 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • bullnheimer-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 45.144.187.42 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns1.m-online.net hostmaster.m-net.de 2026020400 3600 1800 3600000 600
Primary NS (mname)
ns1.m-online.net
Admin Email (rname)
hostmaster@m-net.de
Serial
2026020400
Refresh
3600s
Retry
1800s
Expire
3600000s
Minimum TTL
600s

Nameservers (NS)

ns1.m-online.net
ns2.m-online.net
ns3.m-online.net
ns4.m-online.net

SPF Record

✓ Strict (-all)
v=spf1 mx a include:spf.nl2go.com include:agenturserver.de include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

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

6 records
  • google-site-verification=1pK9rkT19RpJ-l-QafTQ8ghDZa2oqxlxqgbjFn5rRME
  • SPFv=spf1 mx a include:spf.nl2go.com include:agenturserver.de include:spf.protection.outlook.com -all
  • MS=403C6DE7C7476058627AC06A83FCE4F3701A4D48
  • DMARCv=DMARC1; p=none; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
  • domainVerification=6d904add-3ae2-4ba2-b7f2-48108c9b456c
  • google-site-verification=cl-5sH2nF2g1X2x2MJxyU8zGLuqTDKUXTaD7P4rq-Eg
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