cubushouse.de

Valid Email Server
Domain Lookup › cubushouse.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cubushouse.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 12:43:04 UTC · ↺ Refresh

MX Hostnames

  • smtpin.rzone.de

MX Priorities

  • smtpin.rzone.de: 5

A / AAAA Records

  • 217.160.0.183 ↩ 217-160-0-183.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com

Mail Server IPs

  • 81.169.145.97 ↩ smtpin.rzone.de
  • 2a01:238:20a:202:50f0::1097 ↩ smtpin.rzone.de

SOA Record

Raw SOA shades18.rzone.de hostmaster.strato-rz.de 2023040612 86400 7200 604800 300
Primary NS (mname)
shades18.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2023040612
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks14.rzone.de
shades18.rzone.de

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

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

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • brevo-code:b0ff7d845279c61178be858800982dc0
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