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Is there an easy way, on *nix platforms(Linux specifically) to get the IP address of a hostname, while supplying a custom DNS server to use in place of the system’s configured one? I want to access this information from a C program.
You will need to use your own resolver, directly sending DNS packets, instead of relying on the system’s resolver and
gethostbyname. You would probably want to use a library, such as adns.