tenax.de

Valid Email Server
Domain Lookup › tenax.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tenax.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-03 18:26:08 UTC · ↺ Refresh

MX Hostnames

  • mail.tenax.de

MX Priorities

  • mail.tenax.de: 10

A / AAAA Records

  • 176.9.161.226 ↩ h12-vs06.jarmedia.de

Mail Server IPs

  • 37.228.155.230 ↩ cloud7-vm164.de-nserver.de

SOA Record

Raw SOA ns1.de-nserver.de hostmaster.ns1.de-nserver.de 2025090809 14400 3600 604800 600
Primary NS (mname)
ns1.de-nserver.de
Admin Email (rname)
hostmaster@ns1.de-nserver.de
Serial
2025090809
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1.de-nserver.de
ns2.de-nserver.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:37.228.155.240 ip4:37.228.155.230 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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 ip4:37.228.155.240 ip4:37.228.155.230 -all
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