cbest.de

Valid Email Server
Domain Lookup › cbest.de

Domain Overview

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

Checked via [email protected] · 2026-03-25 01:46:16 UTC · ↺ Refresh

MX Hostnames

  • mail.cbest.de

MX Priorities

  • mail.cbest.de: 10

A / AAAA Records

  • 83.169.21.39 ↩ www.ruhrserver.de

Mail Server IPs

  • 83.169.21.39 ↩ www.ruhrserver.de

SOA Record

Raw SOA lvps83-169-21-39.dedicated.hosteurope.de info.ruhrbuero.de 1704965563 10800 3600 604800 10800
Primary NS (mname)
lvps83-169-21-39.dedicated.hosteurope.de
Admin Email (rname)
info@ruhrbuero.de
Serial
1704965563
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s

Nameservers (NS)

lvps83-169-21-39.dedicated.hosteurope.de
ns2.hans.hosteurope.de

SPF Record

✓ Strict (-all)
v=spf1 +a +mx -all
📊 DNS lookups: 2/10
✓ 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 +a +mx -all
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