For a domain name, you can set multiple MX records to increase the probability that the mail will be delivered to ensure redundancy. Querying MX record For example, you can use the nslookup command in Windows to access record MX, while under Linux the host command. Example of a Windows-based nslookup query: nslookup -q=MX dotroll.com Server: google-public-dns-a.google.com Address: 8.8.8.8 Non-authoritative answer: dotroll.com MX preference = […]