Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fnr.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 20:38:24 UTC · ↺ Refresh
MX Hostnames
- mail.fnr.de
MX Priorities
- mail.fnr.de: 11
A / AAAA Records
- 185.166.20.29 ↩ r31259.agenturserver.it
Mail Server IPs
- 195.37.16.210 ↩ mail.fnr.de
- 2001:638:82c:16::56:1 ↩ mail.fnr.de
SOA Record
Raw SOA
dns1.fnr.de hostmaster.fnr.de 2026031300 14400 3600 604800 7200
Primary NS (mname)
dns1.fnr.de
Admin Email (rname)
hostmaster@fnr.de
Serial
2026031300
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
7200s
Nameservers (NS)
dns-1.dfn.de
dns-3.dfn.de
dns-2.dfn.de
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ 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
1 record- SPFv=spf1 mx -all
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