Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tanzhaus-bonn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 04:31:23 UTC · ↺ Refresh
MX Hostnames
- autodiscover.tanzhaus-bonn.de
- mailserver.tanzhaus-bonn.de
MX Priorities
- autodiscover.tanzhaus-bonn.de: 20
- mailserver.tanzhaus-bonn.de: 10
A / AAAA Records
- 116.202.77.62 ↩ dedi5703.your-server.de
- 2a01:4f8:d0a:6689::2 ↩ dedi5703.your-server.de
Mail Server IPs
- 80.147.17.152 ↩ mailserver.tanzhaus-bonn.de
SOA Record
Raw SOA
ns65.1und1.de hostmaster.1und1.de 2017062040 28800 7200 604800 300
Primary NS (mname)
ns65.1und1.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017062040
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns65.1und1.de
ns66.1und1.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.mailjet.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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 include:spf.mailjet.com ~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 tanzhaus-bonn.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits