rpstb.de

Valid Email Server
Domain Lookup › rpstb.de

Domain Overview

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

Checked via [email protected] · 2026-03-28 16:43:42 UTC · ↺ Refresh

MX Hostnames

  • mx00.ionos.de
  • mx01.ionos.de

MX Priorities

  • mx01.ionos.de: 10
  • mx00.ionos.de: 10

A / AAAA Records

  • 188.40.16.159 ↩ sirius.bense.com

Mail Server IPs

  • 217.72.192.67 ↩ mx01.kundenserver.de
  • 212.227.15.41 ↩ mx00.kundenserver.de

SOA Record

Raw SOA ns1046.ui-dns.com hostmaster.kundenserver.de 2016071810 28800 7200 604800 300
Primary NS (mname)
ns1046.ui-dns.com
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2016071810
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1046.ui-dns.de
ns1046.ui-dns.org
ns1046.ui-dns.com
ns1046.ui-dns.biz

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:_spf.perfora.net include:_spf-eu.ionos.com include:onlineinfodienst.de include:_spf.kundenserver.de ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;pct=100;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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 a mx include:_spf.perfora.net include:_spf-eu.ionos.com include:onlineinfodienst.de include:_spf.kundenserver.de ~all
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