Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
audiotuning.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 23:37:59 UTC · ↺ Refresh
MX Hostnames
- mailin1.audiotuning.de
- mailin2.audiotuning.de
MX Priorities
- mailin1.audiotuning.de: 10
- mailin2.audiotuning.de: 100
A / AAAA Records
- 81.95.100.141 ↩ fluffy.globenet.cz
- 2a02:4a8:ac24:112::100:141 ↩ fluffy.globenet.cz
Mail Server IPs
- 45.13.137.110 ↩ m1-u6-mx.websupport.sk
- 2a00:4b40:aaaa:2101:45:13:137:7 ↩ m1-u5-mx.websupport.sk
- 45.13.137.111 ↩ m1-u7-mx.websupport.sk
- 2a00:4b40:aaaa:2101:45:13:137:105 (no PTR)
SOA Record
Raw SOA
ns1.websupport.cz admin.websupport.cz 1773294419 7200 2048 1048576 2560
Primary NS (mname)
ns1.websupport.cz
Admin Email (rname)
admin@websupport.cz
Serial
1773294419
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns1.websupport.cz
ns2.websupport.cz
ns3.websupport.eu
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
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
No TXT records found.
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 audiotuning.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits