Basic lookup
nslookup example.com
MX Mail lookup
nslookup -query=mx example.com
Name server lookup
nslookup -query=ns example.com
SOA (Start of Authority) lookup
nslookup -query=soa example.com
View all information
nslookup -query=all example.com
dig example.com
dig -t MX example.com
dig -t ANY example.com