dralber.de

Valid Email Server
Domain Lookup › dralber.de

Domain Overview

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

Checked via [email protected] · 2026-03-19 11:51:15 UTC · ↺ Refresh

MX Hostnames

  • mx0.rt.cmo.de
  • mx1.rt.cmo.de

MX Priorities

  • mx0.rt.cmo.de: 10
  • mx1.rt.cmo.de: 10

A / AAAA Records

  • 81.90.33.71 ↩ idefix8.rt.cmo.de
  • 2001:4ce0:6:5::2 ↩ idefix8.rt.cmo.de

Mail Server IPs

  • 81.90.33.50 ↩ smtp5.rt.cmo.de
  • 2001:4ce0::2:0:0:0:34 ↩ smtp5.rt.cmo.de

SOA Record

Raw SOA ns6.cmo.de sommer.cmo.de 2025010901 10800 3600 604800 3600
Primary NS (mname)
ns6.cmo.de
Admin Email (rname)
sommer@cmo.de
Serial
2025010901
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns6.cmo.de
ns7.cmo.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:81.90.32.0/20 ip6:2001:4ce0::/32 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 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 ip4:81.90.32.0/20 ip6:2001:4ce0::/32 -all
Full email verification for dralber.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits