Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
根据查询的位置，我必须有哪些选项来回答 DNS 查询？例如，如果查询来自 .fr，则返回单独的 A 记录与来自 .us 的端口 53 查询。