Description
Use the chrome.dns API for dns resolution.
Permissions
dnsAvailability
Dev channel
Manifest
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:
const resolveDNS = async () => {
let record = await chrome.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()
Promise
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 only supported for Manifest V3 and later, other platforms need to use callbacks.