Updates dns docs to not use unimplemented method (#19564)

Author: mikenomitch

src/content/changelogs-next/2025-01-28-nodejs-compat-improvements.mdx

@@ -53,10 +53,9 @@ You can use [`node:dns`](https://nodejs.org/api/dns.html) for name resolution vi
 
 <TypeScriptExample filename="index.ts">
 ```ts
-import dns from "node:dns";
+import dns from 'node:dns';
 
-dns.lookup("example.org", (_err: any, address: string, ipFamily: number) =>
-	console.log(`address: ${address} family: IPv${ipFamily}`));
+let responese = await dns.promises.resolve4('cloudflare.com', 'NS');
 ````
 
 </TypeScriptExample>

src/content/docs/workers/runtime-apis/nodejs/dns.mdx

@@ -12,13 +12,14 @@ You can use [`node:dns`](https://nodejs.org/api/dns.html) for name resolution vi
 
 <TypeScriptExample filename="index.ts">
 ```ts
-import dns from "node:dns";
+import dns from 'node:dns';
 
-dns.lookup("example.org", (_err: any, address: string, ipFamily: number) =>
-	console.log(`address: ${address} family: IPv${ipFamily}`));
+let responese = await dns.promises.resolve4('cloudflare.com', 'NS');
 ```
 </TypeScriptExample>
 
+All `node:dns` functions are available, except `lookup`, `lookupService`, and `resolve` which throw "Not implemented" errors when called.
+
 :::note
 
 DNS requests will execute a subrequest, counts for your [Worker's subrequest limit](/workers/platform/limits/#subrequests).