nstb.de

Valid Email Server
Domain Lookup › nstb.de

Domain Overview

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

Checked via [email protected] · 2026-03-19 21:24:09 UTC · ↺ Refresh

MX Hostnames

  • maildomain.datevnet.de
  • maildomain.datevnet.com

MX Priorities

  • maildomain.datevnet.com: 20
  • maildomain.datevnet.de: 10

A / AAAA Records

  • 216.162.200.200 (no PTR)

Mail Server IPs

  • 193.27.49.207 ↩ maildomain.datevnet.com
  • 193.27.49.221 ↩ maildomain.datevnet.com
  • 2a00:e50:f155:7::cf ↩ maildomain.datevnet.com
  • 2a00:e50:f155:7::dd ↩ maildomain.datevnet.com
  • 193.27.49.220 ↩ maildomain.datevnet.de
  • 193.27.49.206 ↩ maildomain.datevnet.de
  • 2a00:e50:f155:7::ce ↩ maildomain.datevnet.de
  • 2a00:e50:f155:7::dc ↩ maildomain.datevnet.de

SOA Record

Raw SOA ns1.routing.net hostmaster.nstb.de 2026012200 3600 3600 3600000 900
Primary NS (mname)
ns1.routing.net
Admin Email (rname)
hostmaster@nstb.de
Serial
2026012200
Refresh
3600s
Retry
3600s
Expire
3600000s
Minimum TTL
900s

Nameservers (NS)

ns1.routing.net
ns2.routing.net
ns3.routing.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:maildomain._spf.datev.de include:datevnet._spf.datev.de include:spf.protection.outlook.com ?all
📊 DNS lookups: 5/10
? Neutral (?all) — no enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 a mx include:maildomain._spf.datev.de include:datevnet._spf.datev.de include:spf.protection.outlook.com ?all
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