How can I check DNS resolution using the CLI on USG Flex H series models?

Zyxel_Jeff

Question :

The users may want to know how to use CLI to check DNS resolution on the USG Flex H series models. This article will guide you on how to execute it.

Answer :

Please use the CLI command 'cmd diagnostics nslookup domain-name-or-ip domain-name' and enter the domain you wish to check.

For example, if we want to check the domain name d2.nebula.zyxel.com on the USG Flex 200HP model, we can issue the CLI command 'cmd diagnostics nslookup domain-name-or-ip domain-name d2.nebula.zyxel.com' to perform the check. Below, you'll find the results: the left side displays the result from the USG Flex 200HP, while the right side shows the result from the Windows PC