koerni.de

Valid Email Server
Domain Lookup › koerni.de

Domain Overview

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

Checked via [email protected] · 2026-04-02 22:35:11 UTC · ↺ Refresh

MX Hostnames

  • mail.rzhas.de

MX Priorities

  • mail.rzhas.de: 100

A / AAAA Records

  • 93.88.225.25 ↩ apache5.rzhas.de

Mail Server IPs

  • 93.88.225.60 ↩ mail.rzhas.de
  • 2a02:218:2:232::60 (no PTR)

SOA Record

Raw SOA ns11.rzhas.de postmaster.koerni.de 2024041800 14400 3600 1209600 28800
Primary NS (mname)
ns11.rzhas.de
Admin Email (rname)
postmaster@koerni.de
Serial
2024041800
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
28800s

Nameservers (NS)

ns11.rzhas.de
ns14.rzhas.de
ns12.rzhas.de
ns13.rzhas.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.rzhas.de ~all
📊 DNS lookups: 1/10
~ 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 include:_spf.rzhas.de ~all
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