dfpk.de

Valid Email Server
Domain Lookup › dfpk.de

Domain Overview

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

Checked via [email protected] · 2026-03-25 16:59:34 UTC · ↺ Refresh

MX Hostnames

  • a2881.mx.srv.dfn.de
  • b2881.mx.srv.dfn.de
  • c2881.mx.srv.dfn.de

MX Priorities

  • a2881.mx.srv.dfn.de: 10
  • c2881.mx.srv.dfn.de: 10
  • b2881.mx.srv.dfn.de: 10

A / AAAA Records

  • 134.99.24.95 ↩ wphosts.phil-fak.uni-duesseldorf.de

Mail Server IPs

  • 194.95.233.77 ↩ a2881.mx.srv.dfn.de
  • 194.95.239.77 ↩ c2881.mx.srv.dfn.de
  • 194.95.235.77 ↩ b2881.mx.srv.dfn.de

SOA Record

Raw SOA ns1.phil-fak.uni-duesseldorf.de root.dfpk.de 2018042501 10800 1800 1209600 3600
Primary NS (mname)
ns1.phil-fak.uni-duesseldorf.de
Admin Email (rname)
root@dfpk.de
Serial
2018042501
Refresh
10800s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns2.phil-fak.uni-duesseldorf.de
ns1.phil-fak.uni-duesseldorf.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:134.99.18.0/24 ip4:134.99.128.0/24 ip4:134.99.108.0/27 ip4:134.99.108.128/27 include:spf.qb-feedback.com include:_spf.o288.mx.srv.dfn.de -all
📊 DNS lookups: 3/10
✓ 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 ip4:134.99.18.0/24 ip4:134.99.128.0/24 ip4:134.99.108.0/27 ip4:134.99.108.128/27 include:spf.qb-feedback.com include:_spf.o288.mx.srv.dfn.de -all
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