wbu.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-04-03 10:15:48 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 176.52.244.113 ↩ r3941.agenturserver.it

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::2 ↩ mail-fr6p281cu00202.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

SOA Record

Raw SOA m.de.ha-dns.net do-not-reply.wbu.de 2025072202 39940 14400 604800 14400
Primary NS (mname)
m.de.ha-dns.net
Admin Email (rname)
do-not-reply@wbu.de
Serial
2025072202
Refresh
39940s
Retry
14400s
Expire
604800s
Minimum TTL
14400s

Nameservers (NS)

lxa.us.ha-dns.net
m.de.ha-dns.net
f2.de.ha-dns.net
ka2.de.ha-dns.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.fritz.gmbh include:spf.protection.outlook.com include:email-delivery.de include:dcgmbh.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];sp=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

3 records
  • SPFv=spf1 include:spf.fritz.gmbh include:spf.protection.outlook.com include:email-delivery.de include:dcgmbh.de -all
  • google-site-verification=1RMt6h0ldXlz5W8sBANqWlXtbGPN4nZtWyOID4pZt40
  • MS=ms70470048
Full email verification for wbu.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits