rduepmann.eu

Valid Email Server
Domain Lookup › rduepmann.eu

Domain Overview

DNS: ✓ 5h ago Checker: ✓ 5h ago
rduepmann.eu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 19:14:14 UTC · ↺ Refresh

MX Hostnames

  • mx.backup.mailprotect.be
  • mx.mailprotect.be

MX Priorities

  • mx.mailprotect.be: 10
  • mx.backup.mailprotect.be: 50

A / AAAA Records

  • 217.21.190.147 ↩ 217.21.190.147.static.hosted.by.combell.com

Mail Server IPs

  • 178.208.39.140 ↩ mx.mailprotect.be
  • 178.208.39.141 ↩ mx.mailprotect.be
  • 178.208.39.142 ↩ mx.mailprotect.be
  • 178.208.39.143 ↩ mx.mailprotect.be

SOA Record

Raw SOA ns1.register.eu hostmaster.rduepmann.eu 1669488862 10800 3600 604800 40000
Primary NS (mname)
ns1.register.eu
Admin Email (rname)
hostmaster@rduepmann.eu
Serial
1669488862
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
40000s

Nameservers (NS)

ns1.register.eu
ns3.register.eu
ns2.register.eu

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.powermail.be -all
📊 DNS lookups: 1/10
✓ 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 include:_spf.powermail.be -all
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