Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tennis-schluechtern.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 13:49:32 UTC · ↺ Refresh
MX Hostnames
- mx0.tennis-schluechtern.de
MX Priorities
- mx0.tennis-schluechtern.de: 10
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 213.133.106.167 ↩ dedi167.your-server.de
SOA Record
Raw SOA
hydrogen.ns.hetzner.com postmaster.your-server.de 2026010802 7200 7200 1209600 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
postmaster@your-server.de
Serial
2026010802
Refresh
7200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
helium.ns.hetzner.de
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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 mx -all
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