cubbi.de

Valid Email Server
Domain Lookup › cubbi.de

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
cubbi.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-07 14:21:33 UTC · ↺ Refresh

MX Hostnames

  • zimbra.canadatux.org

MX Priorities

  • zimbra.canadatux.org: 10

A / AAAA Records

  • 46.183.101.99 ↩ zoidberg.canadatux.org
  • 2a00:fe0:1:18::99:1 ↩ zoidberg.canadatux.org

Mail Server IPs

  • 46.183.101.105 ↩ zimbra.canadatux.org

SOA Record

Raw SOA nsa4.schlundtech.de hostmaster.cubbi.de 2022060300 43200 7200 1209600 86400
Primary NS (mname)
nsa4.schlundtech.de
Admin Email (rname)
hostmaster@cubbi.de
Serial
2022060300
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

nsa4.schlundtech.de
nsc4.schlundtech.de
nsb4.schlundtech.de
nsd4.schlundtech.de

SPF Record

✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; adkim=s; aspf=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

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

2 records
  • SPFv=spf1 mx -all
  • google-site-verification=juN6DB-T8dYixsxCIHGgjKkHk5IwpvC5krSYqi867Ts
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