~/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: iCloud.
── output ─────
Provider: iCloud
PriorityMail serverIPs
10 mx01.mail.icloud.com 17.42.251.62, 17.57.152.5, 17.57.155.25, 17.57.156.30, 17.56.9.31, 17.57.154.33
10 mx02.mail.icloud.com 17.57.152.5, 17.42.251.62, 17.56.9.31, 17.57.154.33, 17.57.155.25, 17.57.156.30
// Save icloud.com → we'll run this daily and alert on changes. /signup →