Ready-to-use C# script to delete all DNS records from a Cloudflare domain

CloudflareDnsCleaner.cs

using System;
using System.Linq;
using System.Net.Http;
using System.Text.Json;
using System.Threading.Tasks;

namespace CloudflareDnsCleaner
{
    // NOTE: Old, idk if it still works or anything
    public static class Program
    {
        private const string AuthKey    = "YOUR_AUTH_KEY";      // Global API Key: https://dash.cloudflare.com/profile/api-tokens
        private const string AuthEmail  = "YOUR_AUTH_EMAIL";    // Account Email: https://dash.cloudflare.com/profile
        private const string ZoneId     = "YOUR_ZONE_ID";       // Zone ID: Can be found on your website dashboard

        public static async Task Main()
        {
            var httpClient = new HttpClient()
            {
                BaseAddress = new Uri($"https://api.cloudflare.com/client/v4/zones/{ZoneId}/")
            };

            httpClient.DefaultRequestHeaders.Add("X-Auth-Key", AuthKey);
            httpClient.DefaultRequestHeaders.Add("X-Auth-Email", AuthEmail);

            while (true)
            {
                const int perPage = 100;

                using var responseMessage = await httpClient.GetAsync($"dns_records?per_page={perPage}");
                var responseJson = JsonSerializer.Deserialize<JsonElement>(await responseMessage.Content.ReadAsStringAsync());

                var records = responseJson.GetProperty("result").EnumerateArray().ToList();

                foreach (var record in records)
                {
                    await httpClient.DeleteAsync($"dns_records/{record.GetProperty("id").GetString()}");
                }

                if (records.Count - perPage < 0)
                {
                    break;
                }
            }
        }
    }
}