Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sportklinik-stuttgart.de
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 00:56:27 UTC · ↺ Refresh
MX Hostnames
- d329946.a.ess.de.barracudanetworks.com
- d329946.b.ess.de.barracudanetworks.com
MX Priorities
- d329946.b.ess.de.barracudanetworks.com: 10
- d329946.a.ess.de.barracudanetworks.com: 10
A / AAAA Records
- 185.48.116.157 ↩ www.klinikum-stuttgart.de
Mail Server IPs
- 18.185.115.251 ↩ mail.ess.de.barracuda.com
- 18.185.115.252 ↩ mail.ess.de.barracuda.com
- 18.185.115.250 ↩ mail.ess.de.barracuda.com
SOA Record
Raw SOA
ns5.twosteps.info hostmaster.sportklinik-stuttgart.de 2024071005 10800 3600 604800 3600
Primary NS (mname)
ns5.twosteps.info
Admin Email (rname)
hostmaster@sportklinik-stuttgart.de
Serial
2024071005
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns5.twosteps.info
ns6.twosteps.info
ns7.twosteps.info
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail.sportklinik-stuttgart.de include:klinikum-stuttgart.de -all
📊 DNS lookups: 3/10
✓ 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
5 records- SPFv=spf1 mx a:mail.sportklinik-stuttgart.de include:klinikum-stuttgart.de -all
- yLiCQmhtrlB+YpjoHWSqqHf7esHdeXKUE8uw+RbxUPJYxBbx6h3G5zfJYhffV0shQvfPvbvNWEEpxhb9oCqiaA==
- b2leap2f4o9eurb0hvphk8u1kv
- apple-domain-verification=KBuiNq6jhJxYmc6u
- MS=ms73208475
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 · Customize →
See demo & docs
Deep verification
Full email verification for sportklinik-stuttgart.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits