Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bookingstar.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 10:16:04 UTC · ↺ Refresh
MX Hostnames
- mail.bookingstar.de
MX Priorities
- mail.bookingstar.de: 10
A / AAAA Records
- 46.163.90.171 ↩ srv11.dc-cluster.de
Mail Server IPs
- 46.163.90.171 ↩ srv11.dc-cluster.de
SOA Record
Raw SOA
nsa5.schlundtech.de ssl.dc-solution.de 2021120301 43200 7200 1209600 600
Primary NS (mname)
nsa5.schlundtech.de
Admin Email (rname)
ssl@dc-solution.de
Serial
2021120301
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsa5.schlundtech.de
nsd5.schlundtech.de
nsb5.schlundtech.de
nsc5.schlundtech.de
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
✗ 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- 201709120749240u92ko7kq2vlja8arwkyrr4rp2affuubr8bfclijbtttl99hed
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 bookingstar.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits