Understanding DNS Zone Transfers: A Complete Overview
DNS Zone Transfers play a vital role in ensuring redundancy, reliability, and consistency across DNS servers. To keep a domain’s DNS data accurate and up to date, administrators rely on zone transfers to replicate information between primary and secondary DNS servers. In this article, we’ll break down what they are, why they’re important, how they work, and the best practices to keep them secure.
What Are DNS Zone Transfers?
A DNS zone is a segment of the Domain Name System that contains DNS records for a specific domain or subdomain. DNS Zone Transfers are the processes that copy these records from a primary DNS server to one or more secondary servers. This ensures that multiple DNS servers hold the same data, allowing them to respond to queries consistently.
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