Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ast-heilbronn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 15:13:04 UTC · ↺ Refresh
MX Hostnames
- mx02.onlineworkplace24.de
- mx01.onlineworkplace24.de
MX Priorities
- mx02.onlineworkplace24.de: 20
- mx01.onlineworkplace24.de: 10
A / AAAA Records
- 217.160.0.123 ↩ 217-160-0-123.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2c3 ↩ 2001-08d8-100f-f000-0000-0000-0000-02c3.elastic-ssl.ui-r.com
Mail Server IPs
- 193.22.255.37 ↩ mx02.onlineworkplace24.de
- 193.22.255.36 ↩ mx01.onlineworkplace24.de
SOA Record
Raw SOA
ns3.kundenserver.de hostmaster.kundenserver.de 2016062464 28800 7200 604800 300
Primary NS (mname)
ns3.kundenserver.de
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2016062464
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns3.kundenserver.de
ns4.kundenserver.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:193.22.255.36 ip4:193.22.255.37 include:_spf-eu.ionos.com ~all
📊 DNS lookups: 1/10
~ 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 ip4:193.22.255.36 ip4:193.22.255.37 include:_spf-eu.ionos.com ~all
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