How to use dig, nslookup, or host for DNS testing?

dig (most detailed):

nslookup (simpler):

host (brief output):

Tips:

+short flag in dig for minimal output
Specify server with @ to control which resolver
Use +trace in dig for full resolution path
dig is preferred for detailed troubleshooting.
Different query tools, same registry. Choose based on how much detail you need.

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