public string GetIP(string domain)
{
bool isIp = KK.IsIP(domain);
logger.InfoFormat("domain#{0} IsIP = {1}", domain, isIp);
if (isIp)
{
return(domain);
}
IPHostEntry hostEntry = Dns.GetHostEntry(domain);
IPEndPoint ipEndPoint = new IPEndPoint(hostEntry.AddressList[0], 0);
return(ipEndPoint.Address.ToString());
}