The DNS debug log provides extremely detailed data about all DNS information that is sent and received by the DNS server, similar to the data that can be gathered using packet capture tools such as network monitor. https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/dn800669(v=ws.11)#:~:text=The%20DNS%20debug%20log%20provides,tools%20such%20as%20network%20monitor.