Production DNS with BIND 9 and Unbound
Exit

Lesson 2 of 12 · Resolution and tools

dig, host and delv in depth: query, compare, validate

50 min Debian 12 Versions BIND 9.18, BIND 9.20

Objective

Go beyond dig name: choose the right server, the right question and the right options to prove where a failure is, and turn the outputs into information you can use in a monitoring script.

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