How to Validate a Domain Name in C# .NET Framework

Today we are going to set up a system for validating domain names using .NET Framework. And by set up, I mean skip all the trouble and toil by using an API. Let’s take a look at how it works.

Install the client with this command.

Install-Package Cloudmersive.APIClient.NET.Validate -Version 2.0.7

Following that, call this function:

using System;
using System.Diagnostics;
using Cloudmersive.APIClient.NET.Validate.Api;
using Cloudmersive.APIClient.NET.Validate.Client;
using Cloudmersive.APIClient.NET.Validate.Model;
namespace Example
{
public class DomainCheckExample
{
public void main()
{
// Configure API key authorization: Apikey
Configuration.Default.AddApiKey("Apikey", "YOUR_API_KEY");
// Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
// Configuration.Default.AddApiKeyPrefix("Apikey", "Bearer");
var apiInstance = new DomainApi();
var domain = domain_example;  // string | Domain name to check, for example \"cloudmersive.com\".  The input is a string so be sure to enclose it in double-quotes.
try
{
// Validate a domain name
CheckResponse result = apiInstance.DomainCheck(domain);
Debug.WriteLine(result);
}
catch (Exception e)
{
Debug.Print("Exception when calling DomainApi.DomainCheck: " + e.Message );
}
}
}
}

And that’s actually all there is to it. Input a domain if you’d like to test it out. The API will do the rest. If you like this simple approach, this same API can do a ton of other validation-related functions, including address and email validation.