kuijpers.de

Valid Email Server
Domain Lookup › kuijpers.de

Domain Overview

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

Checked via [email protected] · 2026-04-03 03:42:48 UTC · ↺ Refresh

MX Hostnames

  • mxext2.mailbox.org
  • mxext1.mailbox.org
  • mxext3.mailbox.org

MX Priorities

  • mxext1.mailbox.org: 10
  • mxext2.mailbox.org: 10
  • mxext3.mailbox.org: 20

A / AAAA Records

  • 188.40.29.28 ↩ dedi3028.your-server.de

Mail Server IPs

  • 80.241.60.212 ↩ mx1.mailbox.org
  • 2001:67c:2050:104::1:25:1 ↩ mx1.mailbox.org
  • 80.241.60.215 ↩ mx2.mailbox.org
  • 2001:67c:2050:104::2:25:1 ↩ mx2.mailbox.org
  • 80.241.60.216 ↩ mx3.mailbox.org
  • 2001:67c:2050:104::3:25:1 ↩ mx3.mailbox.org

SOA Record

Raw SOA ns1.first-ns.de dns.hetzner.com 2026033000 14400 1800 604800 60
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026033000
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
60s

Nameservers (NS)

robotns3.second-ns.com
ns1.first-ns.de
robotns2.second-ns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:mailbox.org
📊 DNS lookups: 1/10

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

2 records
  • MS=ms19275564
  • SPFv=spf1 include:mailbox.org
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