The Multiple Meanings of “Nameserver” and “DNS Resolver” §

Metadata §

• Author: Julia Evans
• Full Title: The Multiple Meanings of “Nameserver” and “DNS Resolver”
• Category:#articles
• Document Tags: dns
• Summary: The multiple meanings of “nameserver” and “DNS resolver”
• URL: https://jvns.ca/blog/2022/02/14/some-dns-terminology/

Highlights §

• For example, the getaddrinfo function from libc doesn’t know how to look up DNS records itself, it just knows to look in /etc/resolv.conf and forward the query to whatever DNS server(s) it finds there. (View Highlight)

• There are 2 types of nameservers, and which one the term “nameserver” means depends on the context. (View Highlight)

• Meaning 2. “recursive” nameservers, also known as “DNS resolvers” (View Highlight)

• meanings of “DNS resolver” (View Highlight) §

• Meaning 1b: “stub resolver” (server version) (View Highlight)

• Meaning 2: a recursive nameserver (a server) (View Highlight)

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📂 Articles | Последнее изменение: 23.11.2024 16:34