MX Lookup

List a domain's mail exchangers with priorities and resolved IPs.

Try: google.com github.com stripe.com
Recent:

MX records for github.com

PreferenceExchangeIPs
0 github-com.mail.protection.outlook.com 52.101.50.4, 52.101.50.7, 52.101.10.1, 52.101.10.2, 2a01:111:f403:c922::1, 2a01:111:f403:f804::1, 2a01:111:f403:c92c::4, 2a01:111:f403:c946::