dig MX - search
You can use this form to individually search for MX records in domains ending with the following....
- Internic: .com, .net, .org
- Nominet: .co.uk, .ltd.uk, .me.uk, .net.uk, .org.uk, .plc.uk, .sch.uk
- Euroland: .eu
Enter domain name in the relevant box and select the search button.