public static IPAddress ResolveFirst(String hostname)
{
IPAddress[] lAddresses = DnsLookup.ResolveAll(hostname);
if (lAddresses.Length == 0)
{
throw new DnsResolveException("Could not resolve HostName {0}", hostname);
}
// Try to resolve as IPv4 first
for (Int32 i = 0; i < lAddresses.Length - 1; i++)
{
if (lAddresses[i].AddressFamily == AddressFamily.InterNetwork)
{
return(lAddresses[i]);
}
}
return(lAddresses[0]);
}