lbu.de

Valid Email Server
Domain Lookup › lbu.de

Domain Overview

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

Checked via [email protected] · 2026-03-24 18:41:45 UTC · ↺ Refresh

MX Hostnames

  • mforward.dtag.de
  • mx.mandat24.de

MX Priorities

  • mforward.dtag.de: 20
  • mx.mandat24.de: 10

A / AAAA Records

  • 212.185.124.116 (no PTR)

Mail Server IPs

  • 194.25.242.123 ↩ mforward.dtag.de
  • 212.185.124.115 ↩ mx.mandat24.de

SOA Record

Raw SOA pns.dtag.de dns.telekom.de 2025102901 10800 3600 2419200 3600
Primary NS (mname)
pns.dtag.de
Admin Email (rname)
dns@telekom.de
Serial
2025102901
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns1.telekom.net
pns.dtag.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a:mandat24.de mx:mandat24.de ip4:212.185.124.115/20 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 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

1 record
  • SPFv=spf1 a:mandat24.de mx:mandat24.de ip4:212.185.124.115/20 ~all
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