/// <summary>
/// Get domain IP addresses list
/// </summary>
/// <param name="domainName">domain name</param>
/// <exception cref="ArgumentNullException">if domainName is empty</exception>
/// <exception cref="ArgumentException">if domainName is invalid</exception>
/// <returns>list of IPAddress</returns>
public List <IPAddress> GetDomainIPs(string domainName)
{
if (string.IsNullOrEmpty(domainName))
{
throw new ArgumentNullException("domainName");
}
var addresses = _sDnsResolver.ResolveHost(domainName);
return(addresses);
}
/// <summary>
/// Queries a dns resolver for IP addresses of a host.
/// </summary>
/// <param name="resolver"> The resolver instance, that should be used for queries </param>
/// <param name="name"> Host name, that should be queried </param>
/// <returns> A list of matching host addresses </returns>
public static List <IPAddress> ResolveHost(this IDnsResolver resolver, string name)
{
return(resolver.ResolveHost(DomainName.Parse(name)));
}