DNS and BIND,

3rd Edition, Paul Albitz, Cricket Liu (O'Reilly, 1998).

RFC849: Suggestions For Improved Host Table Distribution,

Mark Crispin, 1983.

RFC881: The Domain Names Plan and Schedule,

J. Postel, 1983.

RFC882: Domain Names: Concepts And Facilities,

P. Mockapetris, 1983.

RFC1035: Domain Names: Implementation And Specification,

P. Mockapetris, 1987.

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