function Deno.resolveDns

Parameters

query: string
recordType:
| "A"
| "AAAA"
| "ANAME"
| "CNAME"
| "PTR"
optional
options: ResolveDnsOptions

Returns

Promise<string[]>

Parameters

query: string
recordType: "MX"
optional
options: ResolveDnsOptions

Returns

Promise<MXRecord[]>

Parameters

query: string
recordType: "SRV"
optional
options: ResolveDnsOptions

Returns

Promise<SRVRecord[]>

Parameters

query: string
recordType: "TXT"
optional
options: ResolveDnsOptions

Returns

Promise<string[][]>

Performs DNS resolution against the given query, returning resolved records. Fails in the cases such as:

  • the query is in invalid format
  • the options have an invalid parameter, e.g. nameServer.port is beyond the range of 16-bit unsigned integer
  • timed out
const a = await Deno.resolveDns("example.com", "A");

const aaaa = await Deno.resolveDns("example.com", "AAAA", {
  nameServer: { ipAddr: "8.8.8.8", port: 53 },
});

Requires allow-net permission.

Parameters

query: string
recordType: RecordType
optional
options: ResolveDnsOptions

Returns

Promise<
| string[]
| string[][]
>