A quick primer on dig
Dig is a DNS lookup utility developed by BIND which helps a lot while troubleshooting DNS issues (which are more common than you probably think #hugops). I use
digfairly often and thought to write an introductory guide on how you can usedigwith some practical examples that’ll help youdigthrough DNS issues faster (sorry for the lame pun, couldn’t resist.)
Source: A quick primer on dig, an article by Karan Sharma.