jabom
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Post by jabom on Dec 29, 2023 23:04:22 GMT -5
DNS Query Handling Recursive servers handle iterative DNS queries, continuously seeking information from other DNS servers until they reach authoritative servers and obtain the final answer. Authoritative servers handle authoritative DNS queries, providing the correct IP address or other DNS information for specific domain names. Caching Recursive DNS servers cache DNS data to speed up future queries and reduce the load on authoritative servers. Authoritative DNS servers do not typically Job Function Email List cache data since they hold the most up-to-date and accurate DNS information for their assigned domains. Responsibility Recursive servers are responsible for DNS resolution for end-users, such as individuals and organizations accessing websites and online services. Authoritative servers are responsible for providing the official DNS records and responding to queries from recursive servers. Security Measures Recursive DNS servers are crucial in implementing DNS security extensions DNSSEC to ensure data integrity and authentication. Authoritative DNS servers are responsible for signing DNS zones with cryptographic signatures to enhance DNSSEC security measures. Understanding Recursive and Authoritative DNS Users Who uses recursive DNS? Recursive DNS is used or system that connects to the internet. Internet service providers ISPs commonly supply recursive resolvers, and most internet users must be aware.
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