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1 Why is BIND re-priming the roots from hints more often than it should?

A quick recap on root priming: When handling a client query for which it has no answer, a recursive server needs to know which authoritative server is responsible for the domain of the name it has been asked to resolve. So for example, if a client queries…

2 Trust levels for RRsets in BIND cache

When a BIND resolver receives answers from authoritative servers, it must determine whether to accept them, whether to cache them, and whether to use them when sending responses to client queries. In some cases, more than one answer may be available, and…

3 Adding a new Resource Record (RR) type to BIND 9

Overview: BIND 9 was designed to make it relatively easy to add user defined resource record (RR) types, though you do need some understanding of C. The descriptions of all the record types known to BIND 9 are in a directory structure under lib/dns/rdata…

4 BIND 9 Code Style Guide

The style guide has been moved and is now located at: https://www.isc.org/git/coding-style/