### Installing whois-parsed NPM Package

Source: https://github.com/moneals/whois-parsed/blob/master/README.md

Command to install the whois-parsed library using npm. This makes the module available for use in a Node.js project.

```Shell
npm install whois-parsed
```

--------------------------------

### Running whois-parsed Tests

Source: https://github.com/moneals/whois-parsed/blob/master/README.md

Command to execute the test suite for the whois-parsed library using npm. This verifies the functionality of the installed module.

```Shell
npm test
```

--------------------------------

### Looking Up WHOIS Data with Proxy in Node.js

Source: https://github.com/moneals/whois-parsed/blob/master/README.md

Demonstrates how to use the whois-parsed module in Node.js to perform a WHOIS lookup for a domain. It shows how to configure proxy settings, including authentication, and how to await the results, which are returned as a parsed JSON object.

```JavaScript
var whoisOptions = {
  proxy: {
    ipaddress: '111.222.33.44',
    port: 1085,
    authentication: {
        username: "youruser",
        password: "yourpassword"
    },
    type: 5
  }
};
(async function(){
  const whois = require('whois-parsed');

  var results = await whois.lookup('google.com', whoisOptions);
  console.log(JSON.stringify(results, null, 2));
})()
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.