Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
niederhausen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 15:08:44 UTC · ↺ Refresh
MX Hostnames
- mx9.de.fnh.co
MX Priorities
- mx9.de.fnh.co: 10
A / AAAA Records
- 81.209.144.16 ↩ web3.de.fnh.co
Mail Server IPs
- 81.209.144.27 ↩ mx9.de.fnh.co
SOA Record
Raw SOA
ns1.fn2.de hostmaster.fn2.de 1774363742 3600 900 2400000 300
Primary NS (mname)
ns1.fn2.de
Admin Email (rname)
hostmaster@fn2.de
Serial
1774363742
Refresh
3600s
Retry
900s
Expire
2400000s
Minimum TTL
300s
Nameservers (NS)
ns3.fn2.de
ns1.fn2.de
ns2.fn2.de
SPF Record
✓ Strict (-all)
v=spf1 a mx a:mx3.de.fnh.co -all
📊 DNS lookups: 3/10
✓ 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 a mx a:mx3.de.fnh.co -all
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