socket获取域名ip

import socket

def get_ip_address(domain):
    try:
        ip_address = socket.gethostbyname(domain)
        return ip_address
    except socket.gaierror:
        return "Could not resolve hostname"

domain = "www.example.com"
print(f"The IP address of {domain} is {get_ip_address(domain)}")

import java.net.InetAddress;
import java.net.UnknownHostException;

public class Main {
    public static void main(String[] args) {
        String domain = "www.example.com";
        try {
            InetAddress inetAddress = InetAddress.getByName(domain);
            System.out.println("The IP address of " + domain + " is " + inetAddress.getHostAddress());
        } catch (UnknownHostException e) {
            System.out.println("Could not resolve hostname");
        }
    }
}

const dns = require('dns');

function getIpAddress(domain, callback) {
    dns.lookup(domain, (err, address, family) => {
        if (err) {
            callback(err);
        } else {
            callback(null, address);
        }
    });
}

const domain = 'www.example.com';
getIpAddress(domain, (err, ipAddress) => {
    if (err) {
        console.error('Could not resolve hostname');
    } else {
        console.log(`The IP address of ${domain} is ${ipAddress}`);
    }
});