rzth.de

Valid Email Server
Domain Lookup › rzth.de

Domain Overview

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

Checked via [email protected] · 2026-04-02 02:36:33 UTC · ↺ Refresh

MX Hostnames

  • mx-hetzner.rzth.de

MX Priorities

  • mx-hetzner.rzth.de: 20

A / AAAA Records

  • 185.137.168.185 ↩ server221.campusspeicher.de

Mail Server IPs

  • 78.46.211.249 ↩ www406.your-server.de

SOA Record

Raw SOA ns1.domaindiscount24.net tech.key-systems.net 2023082303 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2023082303
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s

Nameservers (NS)

ns2.domaindiscount24.net
ns1.domaindiscount24.net
ns3.domaindiscount24.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ~all
📊 DNS lookups: 2/10
~ 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 a mx ~all
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