Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
heysenberg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-11-07 06:16:22 UTC · ↺ Refresh
MX Hostnames
- mx00.ionos.de
- mx01.ionos.de
MX Priorities
- mx01.ionos.de: 10
- mx00.ionos.de: 10
A / AAAA Records
- 94.130.223.2 ↩ static.2.223.130.94.clients.your-server.de
- 2a01:4f8:13b:1519::2 (no PTR)
Mail Server IPs
- 212.227.15.188 ↩ mx01.kundenserver.de
- 212.227.15.171 ↩ mx00.kundenserver.de
SOA Record
Raw SOA
ns1071.ui-dns.org hostmaster.kundenserver.de 2017072410 28800 7200 604800 300
Primary NS (mname)
ns1071.ui-dns.org
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2017072410
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1071.ui-dns.com
ns1071.ui-dns.biz
ns1071.ui-dns.de
ns1071.ui-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de ~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 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de ~all
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