Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kupplungswerk-dresden.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 07:42:30 UTC · ↺ Refresh
MX Hostnames
- mail.kupplungswerk-dresden.de
MX Priorities
- mail.kupplungswerk-dresden.de: 10
A / AAAA Records
- 92.205.198.48 ↩ sh22873.ispgateway.de
- 2a00:116a:10c:ca80:: ↩ sh22873.ispgateway.de
Mail Server IPs
- 217.18.180.38 ↩ mail.kupplungswerk-dresden.de
SOA Record
Raw SOA
ns81.domaincontrol.com dns.jomax.net 2025060304 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025060304
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns81.domaincontrol.com
ns82.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:217.18.180.38 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms87078533
- SPFv=spf1 mx ip4:217.18.180.38 -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 kupplungswerk-dresden.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits