Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
ralph-gasser.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-10 22:17:01 UTC · ↺ Refresh
MX Hostnames
- mail.ralph-gasser.ch
MX Priorities
- mail.ralph-gasser.ch: 10
A / AAAA Records
- 116.203.61.183 ↩ mail.cmb.ch
- 2a01:4f8:c2c:2be4::1 ↩ mail.cmb.ch
Mail Server IPs
- 116.203.61.183 ↩ mail.cmb.ch
- 2a01:4f8:c2c:2be4::1 ↩ mail.cmb.ch
SOA Record
Raw SOA
ns.cmb.ch hostmaster.ralph-gasser.ch 2024080101 10800 3600 604800 8640
Primary NS (mname)
ns.cmb.ch
Admin Email (rname)
hostmaster@ralph-gasser.ch
Serial
2024080101
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
8640s
Nameservers (NS)
ns.cmb.ch
ns2.cmb.ch
SPF Record
✓ Strict (-all)
v=spf1 mx a ptr ip4:159.69.240.14 ip6:2a01:4f8:c010:2111::1 ip4:116.203.61.183 ip6:2a01:4f8:c2c:2be4::1 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 a ptr ip4:159.69.240.14 ip6:2a01:4f8:c010:2111::1 ip4:116.203.61.183 ip6:2a01:4f8:c2c:2be4::1 -all
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