# lookup

`import { lookup } from "destack:net";`

Resolve a host and service.

```ds title="lookup"
export function lookup(query: AddressLookupQuery): AsyncResult<^Array<AddressLookupResult>, HostError>
```

[language/library/src/net/net.ds:122:126](https://github.com/destack-sh/destack/blob/main/language/library/src/net/net.ds#L122-L126)