kzvb.de

Valid Email Server
Domain Lookup › kzvb.de

Domain Overview

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

Checked via [email protected] · 2026-03-25 12:41:49 UTC · ↺ Refresh

MX Hostnames

  • mx-in02.eu.retarus.com

MX Priorities

  • mx-in02.eu.retarus.com: 10

A / AAAA Records

  • 89.31.143.90 (no PTR)

Mail Server IPs

  • 94.199.89.39 ↩ mx-in02.eu.retarus.com

SOA Record

Raw SOA ns.udag.de hostmaster.united-domains.de 2024090524 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024090524
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.udag.org
ns.udag.de
ns.udag.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:2.207.200.75 ip4:46.22.38.235 include:_spf.retarus.com include:spf.protection.outlook.com include:_spf.general.transactional-mail-a.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 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

6 records
  • swisssign-check=F04UgGXvTiHV-0c7f_Tk8O_1Qac
  • MS=ms53960652
  • ZOOM_verify_BjlEiBMOR3uP011PCZOFgg
  • atlassian-domain-verification=3soFTQk9VnUkK4m5G2sPNf0k9adV3RnkPAuOvFoaSH8bUmwa98Vbxp0Ho0jOLa0L
  • SPFv=spf1 ip4:2.207.200.75 ip4:46.22.38.235 include:_spf.retarus.com include:spf.protection.outlook.com include:_spf.general.transactional-mail-a.com ~all
  • apple-domain-verification=ujORa8Hn7R6PlPAb
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 kzvb.de

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

No credit card required
Get 1,000 Free Credits