HTTP Alive - Checks whether a website is up and running or nuked

HttpAlive.cs

using System;
using System.Net;
using System.Net.Http;
using System.Threading.Tasks;
using static System.Console;

namespace HttpAlive
{
    class Program
    {
        static void Main(string[] args) => new Program().MainAsync().GetAwaiter().GetResult();

        public async Task MainAsync()
        {
            WriteLine("Hey you! Enter the URL of the website you want to check and I'll start working");
            var url = new Uri(ReadLine());
            WriteLine("Looking good, I'm checking the site every 5 seconds now");

            while (true)
            {
                ResetColor();
                await Task.Delay(5000);

                HttpClient client = new HttpClient();
                client.Timeout = TimeSpan.FromSeconds(20);

                WriteLine($"{DateTime.Now.ToString()} - Sending request...");
                HttpResponseMessage response = null;

                try
                {
                    response = await client.GetAsync(url);
                }
                catch (TaskCanceledException ex)
                {
                    ForegroundColor = ConsoleColor.Red;
                    WriteLine($"{DateTime.Now.ToString()} - Timeout");
                    continue;
                }

                if (response.IsSuccessStatusCode)
                {
                    ForegroundColor = ConsoleColor.Green;
                    WriteLine($"{DateTime.Now.ToString()} - Website is up and running");
                }
                else
                {
                    ForegroundColor = ConsoleColor.Red;
                    WriteLine($"{DateTime.Now.ToString()} - Website is down ({response.StatusCode})");
                }
            }
        }
    }
}