~/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: Proton Mail.
── output ─────
Provider: Proton Mail
PriorityMail serverIPs
5 mail.protonmail.ch 185.70.42.128, 185.205.70.128, 176.119.200.128
10 mailsec.protonmail.ch 185.205.70.129, 185.70.42.129, 176.119.200.129
// Save protonmail.com → we'll run this daily and alert on changes. /signup →