nibukai.de

Valid Email Server
Domain Lookup › nibukai.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 16:48:16 UTC · ↺ Refresh

MX Hostnames

  • SpamWallCluster-6.vistec.net
  • SpamWallCluster-5.vistec.net
  • SpamWallCluster-2.vistec.net
  • SpamWallCluster-1.vistec.net
  • SpamWallCluster-4.vistec.net
  • SpamWallCluster-3.vistec.net

MX Priorities

  • spamwallcluster-2.vistec.net: 10
  • spamwallcluster-5.vistec.net: 10
  • spamwallcluster-1.vistec.net: 10
  • spamwallcluster-4.vistec.net: 10
  • spamwallcluster-6.vistec.net: 10
  • spamwallcluster-3.vistec.net: 10

A / AAAA Records

  • 213.216.0.21 ↩ bebian.vistec.net

Mail Server IPs

  • 213.216.0.148 ↩ spamwall2-2.vistec.net
  • 2a02:13c0::148 ↩ spamwall2-2.vistec.net
  • 213.216.0.11 ↩ spamwall2-1.vistec.net
  • 2a02:13c0::11 (no PTR)
  • 213.216.0.53 ↩ spamwall2-3.vistec.net
  • 2a02:13c0::53 ↩ spamwall2-3.vistec.net

SOA Record

Raw SOA ns.vistec.net root.ns.vistec.net 2025051301 86400 14400 1209600 100
Primary NS (mname)
ns.vistec.net
Admin Email (rname)
root@ns.vistec.net
Serial
2025051301
Refresh
86400s
Retry
14400s
Expire
1209600s
Minimum TTL
100s

Nameservers (NS)

ns2.vistec.net
ns1.vistec.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:213.216.0.0/19 a mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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

3 records
  • SPFv=spf1 ip4:213.216.0.0/19 a mx ~all
  • rl9w73rxq5ny9s7q5nnkhv6h7dhn31wh
  • _zzgw1ado232ojl2zt3lounjr7nzt37h
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for nibukai.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits