Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sv-wuerzbach.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 06:11:30 UTC · ↺ Refresh
MX Hostnames
- mailhub03.skytron.de
- mailhub01.skytron.de
- mailhub02.skytron.de
- mailhub04.skytron.de
- mailhub05.skytron.de
MX Priorities
- mailhub02.skytron.de: 12
- mailhub01.skytron.de: 11
- mailhub03.skytron.de: 13
- mailhub04.skytron.de: 14
- mailhub05.skytron.de: 15
A / AAAA Records
- 213.146.230.151 ↩ 213-146-230-151.ptr.skytron.de
Mail Server IPs
- 213.146.243.132 ↩ mailhub02.skytron.de
- 213.146.230.9 ↩ mailhub01.skytron.de
- 213.146.243.133 ↩ mailhub03.skytron.de
- 213.146.243.134 ↩ mailhub04.skytron.de
- 213.146.243.135 ↩ mailhub05.skytron.de
SOA Record
Raw SOA
ns01.d-n-s-server.de server-ns01.skytron.de 2016082518 10000 3600 1209600 86400
Primary NS (mname)
ns01.d-n-s-server.de
Admin Email (rname)
server-ns01@skytron.de
Serial
2016082518
Refresh
10000s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns01.d-n-s-server.de
ns02.d-n-s-server.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail01.skytron.de -all
📊 DNS lookups: 2/10
✓ 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
1 record- SPFv=spf1 mx a:mail01.skytron.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 sv-wuerzbach.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits