What is a recursive DNS query?

December 13, 2008
Filed under Server Management

One of the most important part of the Internet is the DNS; I guess that’s clear for everybody. DNS is a distributed database, the largest in the world but in — at least — one aspect is extremely vulnerable: recursive queries. We distinguish two type of DNS queries:

Iterative or non-recursive
Recursive

Each 13 root server is configured [...]

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