Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rpd-server.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 13:57:16 UTC · ↺ Refresh
MX Hostnames
- mail.strongserver.de
MX Priorities
- mail.strongserver.de: 10
A / AAAA Records
- 164.68.115.84 ↩ vmi2422735.contaboserver.net
Mail Server IPs
- 212.132.107.214 ↩ mail.strongserver.de
- 2a01:239:286:eb00::1 (no PTR)
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2025122408 14400 1800 604800 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2025122408
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
robotns3.second-ns.com
ns1.first-ns.de
robotns2.second-ns.de
SPF Record
✓ Strict (-all)
v=spf1 mx a -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 mx a -all
- google-site-verification=avHEi-NpjArP4zigt31h6Eiz4YPyIAiNWBjM2ID_s3I
Full email verification for rpd-server.de
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