~/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
10 nrc-nl.mail.protection.outlook.com 52.101.73.24, 52.101.68.0, 52.101.68.5, 52.101.68.39
// Save nrc.nl → we'll run this daily and alert on changes. /signup →