Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
port25.me
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 01:46:33 UTC · ↺ Refresh
MX Hostnames
- mail.4nx.de
MX Priorities
- mail.4nx.de: 1
A / AAAA Records
- 91.198.196.5 ↩ universe.4nx.de
- 2a0f:8840::53 ↩ universe.4nx.de
Mail Server IPs
- 91.198.196.25 ↩ mail.4nx.de
- 2a0f:8840::25 ↩ mail.4nx.de
SOA Record
Raw SOA
ns1.4nx.de info.4nx.de 1275304049 14400 3600 604800 38400
Primary NS (mname)
ns1.4nx.de
Admin Email (rname)
info@4nx.de
Serial
1275304049
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
38400s
Nameservers (NS)
ns1.4nx.de
ns2.4nx.eu
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=4nx.de
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 redirect=4nx.de
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