Skip to main content
resolve - dns - Node documentation
function resolve

Usage in Deno

import { resolve } from "node:dns";
resolve(
hostname: string,
callback: (
err: ErrnoException | null,
addresses: string[],
) => void,
): void

Deno compatibility

The ttl option is not supported.

Uses the DNS protocol to resolve a host name (e.g. 'nodejs.org') into an array of the resource records. The callback function has arguments (err, records). When successful, records will be an array of resource records. The type and structure of individual results varies based on rrtype:

On error, err is an Error object, where err.code is one of the DNS error codes.

Parameters

hostname: string

Host name to resolve.

callback: (
err: ErrnoException | null,
addresses: string[],
) => void

Return Type

void
resolve(
hostname: string,
rrtype: "A",
callback: (
err: ErrnoException | null,
addresses: string[],
) => void,
): void

Deno compatibility

The ttl option is not supported.

Parameters

hostname: string
rrtype: "A"
callback: (
err: ErrnoException | null,
addresses: string[],
) => void

Return Type

void
resolve(
hostname: string,
rrtype: "AAAA",
callback: (
err: ErrnoException | null,
addresses: string[],
) => void,
): void

Deno compatibility

The ttl option is not supported.

Parameters

hostname: string
rrtype: "AAAA"
callback: (
err: ErrnoException | null,
addresses: string[],
) => void

Return Type

void
resolve(
hostname: string,
rrtype: "ANY",
callback: (
err: ErrnoException | null,
addresses: AnyRecord[],
) => void,
): void

Deno compatibility

The ttl option is not supported.

Parameters

hostname: string
rrtype: "ANY"
callback: (
err: ErrnoException | null,
addresses: AnyRecord[],
) => void

Return Type

void
resolve(
hostname: string,
rrtype: "CNAME",
callback: (
err: ErrnoException | null,
addresses: string[],
) => void,
): void

Deno compatibility

The ttl option is not supported.

Parameters

hostname: string
rrtype: "CNAME"
callback: (
err: ErrnoException | null,
addresses: string[],
) => void

Return Type

void
resolve(
hostname: string,
rrtype: "MX",
callback: (
err: ErrnoException | null,
addresses: MxRecord[],
) => void,
): void

Deno compatibility

The ttl option is not supported.

Parameters

hostname: string
rrtype: "MX"
callback: (
err: ErrnoException | null,
addresses: MxRecord[],
) => void

Return Type

void
resolve(
hostname: string,
rrtype: "NAPTR",
callback: (
err: ErrnoException | null,
addresses: NaptrRecord[],
) => void,
): void

Deno compatibility

The ttl option is not supported.

Parameters

hostname: string
rrtype: "NAPTR"
callback: (
err: ErrnoException | null,
addresses: NaptrRecord[],
) => void

Return Type

void
resolve(
hostname: string,
rrtype: "NS",
callback: (
err: ErrnoException | null,
addresses: string[],
) => void,
): void

Deno compatibility

The ttl option is not supported.

Parameters

hostname: string
rrtype: "NS"
callback: (
err: ErrnoException | null,
addresses: string[],
) => void

Return Type

void
resolve(
hostname: string,
rrtype: "PTR",
callback: (
err: ErrnoException | null,
addresses: string[],
) => void,
): void

Deno compatibility

The ttl option is not supported.

Parameters

hostname: string
rrtype: "PTR"
callback: (
err: ErrnoException | null,
addresses: string[],
) => void

Return Type

void
resolve(
hostname: string,
rrtype: "SOA",
callback: (
err: ErrnoException | null,
addresses: SoaRecord,
) => void,
): void

Deno compatibility

The ttl option is not supported.

Parameters

hostname: string
rrtype: "SOA"
callback: (
err: ErrnoException | null,
addresses: SoaRecord,
) => void

Return Type

void
resolve(
hostname: string,
rrtype: "SRV",
callback: (
err: ErrnoException | null,
addresses: SrvRecord[],
) => void,
): void

Deno compatibility

The ttl option is not supported.

Parameters

hostname: string
rrtype: "SRV"
callback: (
err: ErrnoException | null,
addresses: SrvRecord[],
) => void

Return Type

void
resolve(
hostname: string,
rrtype: "TXT",
callback: (
err: ErrnoException | null,
addresses: string[][],
) => void,
): void

Deno compatibility

The ttl option is not supported.

Parameters

hostname: string
rrtype: "TXT"
callback: (
err: ErrnoException | null,
addresses: string[][],
) => void

Return Type

void
resolve(
hostname: string,
rrtype: string,
callback: (
err: ErrnoException | null,
addresses:
string[]
| MxRecord[]
| NaptrRecord[]
| SoaRecord
| SrvRecord[]
| string[][]
| AnyRecord[]
,
) => void,
): void

Deno compatibility

The ttl option is not supported.

Parameters

hostname: string
rrtype: string
callback: (
err: ErrnoException | null,
addresses:
string[]
| MxRecord[]
| NaptrRecord[]
| SoaRecord
| SrvRecord[]
| string[][]
| AnyRecord[]
,
) => void

Return Type

void
Back to top