Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bittner.dental
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 09:45:27 UTC · ↺ Refresh
MX Hostnames
- w014a9a9.kasserver.com
MX Priorities
- w014a9a9.kasserver.com: 10
A / AAAA Records
- 94.130.203.167 ↩ mx.gravity-studio.de
Mail Server IPs
- 85.13.147.200 ↩ dd43238.kasserver.com
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2603011140 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2603011140
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns5.kasserver.com
ns6.kasserver.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.kasserver.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.kasserver.com ~all
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