Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ketty-christian.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 21:39:56 UTC · ↺ Refresh
MX Hostnames
- toni.fibbs.org
MX Priorities
- toni.fibbs.org: 10
A / AAAA Records
- 109.234.106.32 (no PTR)
Mail Server IPs
- 116.203.78.129 ↩ toni.fibbs.org
- 2a01:4f8:c0c:d9dc::1 ↩ toni.fibbs.org
SOA Record
Raw SOA
hydrogen.ns.hetzner.com tech.key-systems.net 2025120702 10800 3600 604800 28800
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
tech@key-systems.net
Serial
2025120702
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
oxygen.ns.hetzner.com
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine ; sp=quarantine ; rua=mailto:[email protected] ; ruf=mailto:[email protected] ; rf=afrf ; pct=100 ; ri=86400;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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 -all
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