medbo.de

Valid Email Server
Domain Lookup › medbo.de

Domain Overview

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

Checked via [email protected] · 2026-03-18 23:30:56 UTC · ↺ Refresh

MX Hostnames

  • mx-in01.eu.retarus.com
  • mx-in02.eu.retarus.com

MX Priorities

  • mx-in01.eu.retarus.com: 10
  • mx-in02.eu.retarus.com: 10

A / AAAA Records

  • 185.215.158.186 (no PTR)

Mail Server IPs

  • 94.199.92.130 ↩ mx-in01.eu.retarus.com
  • 94.199.89.39 ↩ mx-in02.eu.retarus.com

SOA Record

Raw SOA deneb.dfn.de hostmaster.dfn.de 2026031000 28800 7200 3024000 3600
Primary NS (mname)
deneb.dfn.de
Admin Email (rname)
hostmaster@dfn.de
Serial
2026031000
Refresh
28800s
Retry
7200s
Expire
3024000s
Minimum TTL
3600s

Nameservers (NS)

dns-3.dfn.de
dns-1.dfn.de
dns-2.dfn.de

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.retarus.com include:spfhard.crsend.com include:spf.crsend.com -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

4 records
  • SPFv=spf1 include:_spf.retarus.com include:spfhard.crsend.com include:spf.crsend.com -all
  • swisssign-check=mGufN3trkKV1l4yRtsufzYqeoqw
  • MS=BEDF68DA88E6F3AB698CF29836570EE1F11A56A3
  • domainVerification=1aafbf1b-f83a-466c-a2d2-9cc6f9e04ca4
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