@chris for the bookshelf (physical or otherwise), @mwl has a couple that would help. His books are very readable, even entertaining.
Networking for System Administrators covers what it says in the title, including a brief section on DNS. It covers the basics but not in-depth.
DNSSEC Mastery gets into the gory details of, well, DNSSEC :)
https://www.tiltedwindmillpress.com/product-category/tech/
Networking for System Administrators, 2nd Edition is coming…