Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
davidgym.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 01:31:22 UTC · ↺ Refresh
MX Hostnames
- davidgym.ch
MX Priorities
- davidgym.ch: 0
A / AAAA Records
- 149.126.6.100 ↩ vsa-tikuro.cyon.net
- 2a01:ab20::6:0:0:0:100 ↩ vsa-ripaxy.cyon.net
Mail Server IPs
- 149.126.6.100 ↩ vsa-tikuro.cyon.net
- 2a01:ab20::6:0:0:0:100 ↩ vsa-ripaxy.cyon.net
SOA Record
Raw SOA
ns1.cyon.ch server.cyon.ch 2021031200 14400 1800 1209600 3600
Primary NS (mname)
ns1.cyon.ch
Admin Email (rname)
server@cyon.ch
Serial
2021031200
Refresh
14400s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.cyon.ch
ns1.cyon.ch
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:194.126.200.0/24 +ip4:149.126.0.0/21 -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: 392 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 +ip4:194.126.200.0/24 +ip4:149.126.0.0/21 -all
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