Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
rbfh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-06 15:30:28 UTC · ↺ Refresh
MX Hostnames
- cb.rbfh.de
MX Priorities
- cb.rbfh.de: 10
A / AAAA Records
- 178.18.249.159 ↩ mail.rbfh.de
- 2a02:c206:3007:3585::80 (no PTR)
Mail Server IPs
- 178.18.249.159 ↩ mail.rbfh.de
- 2a02:c206:3007:3585::1 ↩ mail.rbfh.de
SOA Record
Raw SOA
ns.rbfh.de hostmaster.rbfh.de 2025031901 28800 3600 864000 86400
Primary NS (mname)
ns.rbfh.de
Admin Email (rname)
hostmaster@rbfh.de
Serial
2025031901
Refresh
28800s
Retry
3600s
Expire
864000s
Minimum TTL
86400s
Nameservers (NS)
ns.vonmossner.de
vmd73585.contaboserver.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip6:2a02:c206:3007:3585::/64 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
2 records- google-site-verification=TmoT-5MqbCU12rXcvyhmOfG_RutSDIvan-FwYCqZsN8
- SPFv=spf1 a mx ip6:2a02:c206:3007:3585::/64 -all
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