h-ab.de

Valid Email Server
Domain Lookup › h-ab.de

Domain Overview

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

Checked via [email protected] · 2026-04-01 12:53:44 UTC · ↺ Refresh

MX Hostnames

  • c1811.mx.srv.dfn.de
  • a1811.mx.srv.dfn.de
  • b1811.mx.srv.dfn.de

MX Priorities

  • b1811.mx.srv.dfn.de: 10
  • a1811.mx.srv.dfn.de: 10
  • c1811.mx.srv.dfn.de: 20

A / AAAA Records

  • 193.174.127.4 ↩ mathekurs.th-ab.de

Mail Server IPs

  • 194.95.234.124 ↩ b1811.mx.srv.dfn.de
  • 194.95.232.124 ↩ a1811.mx.srv.dfn.de
  • 194.95.238.124 ↩ c1811.mx.srv.dfn.de

SOA Record

Raw SOA itldns03.th-ab.de hostmaster.h-ab.de 1739782674 86400 3600 604800 86400
Primary NS (mname)
itldns03.th-ab.de
Admin Email (rname)
hostmaster@h-ab.de
Serial
1739782674
Refresh
86400s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

itldns04.th-ab.de
dns-2.dfn.de
itldns03.th-ab.de

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a:itlms03.th-ab.de a:itlms04.th-ab.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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

1 record
  • SPFv=spf1 mx a:itlms03.th-ab.de a:itlms04.th-ab.de ~all
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