Found in 1 comment on Hacker News
devdas · 2013-03-28 · Original thread
http://www.amazon.com/Cisco-Essentials-Press-Networking-Tech... (Networking) http://www.amazon.com/DNS-BIND-5th-Cricket-Liu/dp/0596100574 (DNS)

There are always the standards texts, Computer Networks by Tannenbaum and Internetworking by Radia Perlman for the theory.

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