Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dundn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 03:45:48 UTC · ↺ Refresh
MX Hostnames
- dundn.de
MX Priorities
- dundn.de: 10
A / AAAA Records
- 2.58.54.150 ↩ unimatrix.hostingmonster.eu
Mail Server IPs
- 2.58.54.150 ↩ unimatrix.hostingmonster.eu
SOA Record
Raw SOA
ns1.mwdns.de hostmaster.domainbestellsystem.com 2024092401 28800 7200 604800 86400
Primary NS (mname)
ns1.mwdns.de
Admin Email (rname)
hostmaster@domainbestellsystem.com
Serial
2024092401
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns4.mwdns.de
ns1.mwdns.de
ns3.mwdns.de
ns2.mwdns.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:unimatrix.hostingmonster.eu +a:bajor.hostingmonster.eu -all
📊 DNS lookups: 4/10
✓ 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 +a +mx +a:unimatrix.hostingmonster.eu +a:bajor.hostingmonster.eu -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 dundn.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits