Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lehrensteinsfeld.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 22:29:59 UTC · ↺ Refresh
MX Hostnames
- mx7.kvnbw.de
- mx9.kvnbw.de
- mx8.kvnbw.de
- mx6.kvnbw.de
MX Priorities
- mx6.kvnbw.de: 10
- mx9.kvnbw.de: 10
- mx8.kvnbw.de: 10
- mx7.kvnbw.de: 10
A / AAAA Records
- 89.110.176.154 (no PTR)
Mail Server IPs
- 194.0.94.48 ↩ mx6.kvnbw.de
- 194.59.36.35 ↩ mx9.kvnbw.de
- 194.59.36.34 ↩ mx8.kvnbw.de
- 194.0.94.49 ↩ mx7.kvnbw.de
SOA Record
Raw SOA
pns.dtag.de dns.telekom.de 2025121800 10800 3600 2419200 3600
Primary NS (mname)
pns.dtag.de
Admin Email (rname)
dns@telekom.de
Serial
2025121800
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
pns.dtag.de
ns1.telekom.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protect.kvnbw.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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- apple-domain-verification=1af3joIBytRGAXAW
- SPFv=spf1 include:spf.protect.kvnbw.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 lehrensteinsfeld.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits