DNS resolution

GResolver — Asynchronous and cancellable DNS resolver
GProxyResolver — Asynchronous and cancellable network proxy resolver
GSimpleProxyResolver — Simple proxy resolver implementation
GSocketConnectable — Interface for potential socket endpoints
GSocketAddressEnumerator
GProxyAddressEnumerator
GNetworkAddress — A GSocketConnectable for resolving hostnames
GNetworkService — A GSocketConnectable for resolving SRV records
GSrvTarget — DNS SRV record target