~/tools / mx-lookup

MX Lookup

Check MX records and detect mail provider. Lists records by priority with their resolved IPs.

>
[ OK ] MX configured. Detected provider: Microsoft 365.
── output ─────
Provider: Microsoft 365
PriorityMail serverIPs
0 kpn-com.i-v1.mx.microsoft 52.101.73.28, 52.101.68.29, 52.101.68.27, 52.101.73.12
10 kpn-com.mail.protection.outlook.com 52.101.73.28, 52.101.73.19, 52.101.73.6, 52.101.73.4
// Save kpn.com → we'll run this daily and alert on changes. /signup →