koethe.biz

Valid Email Server
Domain Lookup › koethe.biz

Domain Overview

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

Checked via [email protected] · 2026-03-28 16:22:48 UTC · ↺ Refresh

MX Hostnames

  • maildomain.datevnet.com
  • maildomain.datevnet.de

MX Priorities

  • maildomain.datevnet.de: 10
  • maildomain.datevnet.com: 20

A / AAAA Records

  • 185.175.196.2 (no PTR)
  • 2a00:1c98:60:1010::d3d8:272d (no PTR)

Mail Server IPs

  • 193.27.49.206 ↩ maildomain.datevnet.de
  • 193.27.49.220 ↩ maildomain.datevnet.de
  • 2a00:e50:f155:7::ce ↩ maildomain.datevnet.de
  • 2a00:e50:f155:7::dc ↩ maildomain.datevnet.de
  • 193.27.49.207 ↩ maildomain.datevnet.com
  • 193.27.49.221 ↩ maildomain.datevnet.com
  • 2a00:e50:f155:7::dd ↩ maildomain.datevnet.com
  • 2a00:e50:f155:7::cf ↩ maildomain.datevnet.com

SOA Record

Raw SOA ns1.domaindiscount24.net tech.key-systems.net 2025020603 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2025020603
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s

Nameservers (NS)

ns3.domaindiscount24.net
ns1.domaindiscount24.net
ns2.domaindiscount24.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:da1001769.onmicrosoft.com include:maildomain._spf.datev.de ~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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

3 records
  • MS=ms99097574
  • google-site-verification=jR72UYdIRi8amneRmWNXYBgO8GaWmYyI57jB-QWDHLQ
  • SPFv=spf1 include:da1001769.onmicrosoft.com include:maildomain._spf.datev.de ~all
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 koethe.biz

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

No credit card required
Get 1,000 Free Credits