gbv.de

Valid Email Server
Domain Lookup › gbv.de

Domain Overview

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

Checked via [email protected] · 2026-03-25 10:47:03 UTC · ↺ Refresh

MX Hostnames

  • a1234.mx.srv.dfn.de
  • c1234.mx.srv.dfn.de
  • b1234.mx.srv.dfn.de

MX Priorities

  • b1234.mx.srv.dfn.de: 50
  • c1234.mx.srv.dfn.de: 50
  • a1234.mx.srv.dfn.de: 10

A / AAAA Records

  • 193.174.240.199 ↩ x4100-199.gbv.de

Mail Server IPs

  • 194.95.234.102 ↩ b1234.mx.srv.dfn.de
  • 194.95.238.102 ↩ c1234.mx.srv.dfn.de
  • 194.95.232.102 ↩ a1234.mx.srv.dfn.de

SOA Record

Raw SOA inets1.gbv.de hostmaster.gbv.de 2021094111 28800 7200 604800 86400
Primary NS (mname)
inets1.gbv.de
Admin Email (rname)
hostmaster@gbv.de
Serial
2021094111
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

inets2.gbv.de
deneb.dfn.de
inets1.gbv.de

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:193.174.240.41 ip4:193.174.240.42 ip4:193.174.240.101 include:spf.gwdg.de ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
k1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: k1

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

All TXT Records

2 records
  • SPFv=spf1 ip4:193.174.240.41 ip4:193.174.240.42 ip4:193.174.240.101 include:spf.gwdg.de ~all
  • OSSRH-73866
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