Using nslookup, dig, and host

Configuring Domain Name System (DNS) servers Using nslookup, dig, and host nslookup, dig, and host are useful commands that allow you to perform DNS queries, and to test out your DNS configuration. You can use the nslookup command interactively to enter a shell from which you can change servers, set query options, and debug DNS. You can also use nslookup non-interactively from the command line to issue simple queries. See nslookup(1Mtcp) for more information. dig [...]