Type of the options
argument for Dns.lookup
.
Fields
optionalhints:Null<Int>
If present, it should be one or more of the supported getaddrinfo
flags.
If hints is not provided, then no flags are passed to getaddrinfo
.
Multiple flags can be passed through hints by logically ORing their values.
optionalfamily:Null<DnsAddressFamily>
The record family. If not provided, both IP v4 and v6 addresses are accepted.