Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tsbw.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 12:30:44 UTC · ↺ Refresh
MX Hostnames
- mailfb.netuse.de
- mail.netuse.de
MX Priorities
- mailfb.netuse.de: 200
- mail.netuse.de: 100
A / AAAA Records
- 195.201.47.128 ↩ static.128.47.201.195.clients.your-server.de
Mail Server IPs
- 195.244.244.48 ↩ mailfb.netuse.de
- 195.244.244.10 ↩ mail.netuse.de
SOA Record
Raw SOA
ns.ibsd.net hostmaster.ibsd.net 2025090201 10800 3600 604800 86400
Primary NS (mname)
ns.ibsd.net
Admin Email (rname)
hostmaster@ibsd.net
Serial
2025090201
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns.ibsd.net
ns1.ibsd.net
ns2.ibsd.net
nsm.ibsd.net
SPF Record
✓ Strict (-all)
v=spf1 a:mx.tsbw.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
4 records- MS=ms44197277
- SPFv=spf1 a:mx.tsbw.de -all
- apple-domain-verification=MOX2ZHqzCbKFmbNZ
- kysxhp6l8cy6zfp1f6y2bg55f1rlr8k5
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 tsbw.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits