Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kath.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 19:11:11 UTC · ↺ Refresh
MX Hostnames
- mail.kath.de
MX Priorities
- mail.kath.de: 10
A / AAAA Records
- 116.203.24.147 ↩ static.147.24.203.116.clients.your-server.de
- 2a01:4f8:1c1c:4a4b::1 (no PTR)
Mail Server IPs
- 88.99.225.214 ↩ mail.kath.de
- 2a01:4f8:c0c:137b::2 ↩ mail.kath.de
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2026021100 14400 1800 604800 300
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026021100
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1.first-ns.de
robotns2.second-ns.de
robotns3.second-ns.com
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx -all
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