stb-mitarbeiter.de

Valid Email Server
Domain Lookup › stb-mitarbeiter.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
stb-mitarbeiter.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 22:56:58 UTC · ↺ Refresh

MX Hostnames

  • mail.unixnetwork.de

MX Priorities

  • mail.unixnetwork.de: 10

A / AAAA Records

  • 212.34.178.86 ↩ kunden.unixnetwork.de
  • 2a01:127:7019:4::1 ↩ kunden.unixnetwork.de

Mail Server IPs

  • 212.34.178.87 ↩ mail.unixnetwork.de
  • 2a01:127:7019:13::1 ↩ mail.unixnetwork.de

SOA Record

Raw SOA ns1.unixnetwork.de admin.unixnetwork.de 2026032002 3600 900 1209600 1200
Primary NS (mname)
ns1.unixnetwork.de
Admin Email (rname)
admin@unixnetwork.de
Serial
2026032002
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
1200s

Nameservers (NS)

nsc0.schlundtech.de
nsb0.schlundtech.de
ns1.unixnetwork.de
nsd0.schlundtech.de

SPF Record

✓ Strict (-all)
v=spf1 a mx -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 -all
Full email verification for stb-mitarbeiter.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits