sbb.spk-berlin.de

Valid Email Server
Domain Lookup › sbb.spk-berlin.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 12:14:45 UTC · ↺ Refresh

MX Hostnames

  • c2741.mx.srv.dfn.de
  • b2741.mx.srv.dfn.de
  • a2741.mx.srv.dfn.de

MX Priorities

  • b2741.mx.srv.dfn.de: 10
  • a2741.mx.srv.dfn.de: 10
  • c2741.mx.srv.dfn.de: 10

A / AAAA Records

  • 194.94.132.172 (no PTR)

Mail Server IPs

  • 194.95.235.49 ↩ b2741.mx.srv.dfn.de
  • 194.95.233.49 ↩ a2741.mx.srv.dfn.de
  • 194.95.239.49 ↩ c2741.mx.srv.dfn.de

SOA Record

Raw SOA ns.staatsbibliothek-berlin.de ns-admin.sbb.spk-berlin.de 2026031001 86400 7200 2419200 10800
Primary NS (mname)
ns.staatsbibliothek-berlin.de
Admin Email (rname)
ns-admin@sbb.spk-berlin.de
Serial
2026031001
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
10800s

Nameservers (NS)

dns-2.dfn.de
deneb.dfn.de
ns1.staatsbibliothek-berlin.de
ns.staatsbibliothek-berlin.de

SPF Record

✓ Strict (-all)
v=spf1 include:sbb-spf-include.sbb.spk-berlin.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]

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

3 records
  • SPFv=spf1 include:sbb-spf-include.sbb.spk-berlin.de -all
  • cisco-ci-domain-verification=e33ec5fddb08013935d4fb4f1fc5df2d569a8c1f2c9ddc569a07652e91670a7
  • apple-domain-verification=AjmPvu5Nj9ivz38T
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