- 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