Description
Use the chrome.dns API for dns resolution.
Permissions
dnsAvailability
To use this API, you must declare the "dns" permission in the manifest.
{"name":"My extension",..."permissions":["dns"],...}Usage
The following code calls resolve() to retrieve the IP address of example.com.
service-worker.js:
constresolveDNS=async()=>{letrecord=awaitchrome.dns.resolve('example.com');console.log(record.address);// "192.0.2.172"};resolveDNS();Types
ResolveCallbackResolveInfo
Properties
- address
string optional
A string representing the IP address literal. Supplied only if resultCode indicates success.
- resultCode
number
The result code. Zero indicates success.
Methods
resolve()
chrome.dns.resolve(
hostname: string,
callback?: function,
)
Resolves the given hostname or IP address literal.
Parameters
- hostname
string
The hostname to resolve.
- callback
function optional
The
callbackparameter looks like:(resolveInfo: ResolveCallbackResolveInfo) => void
- resolveInfo
Returns
Promise<ResolveCallbackResolveInfo>
Promises are supported in Manifest V3 and later, but callbacks are provided for backward compatibility. You cannot use both on the same function call. The promise resolves with the same type that is passed to the callback.
