string GetWhois(string webname)
{
List <string> list = new List <string>();
// whois : http://network-tools.com/default.asp?prog=whois&host=yongfa365.com "utf-8"
//http://www.whois-search.com/whois/ "iso-8859-1"
// https://www.iwhois.com/whois/yongfa365.com iso-8859-1
string str = Comm.GetHtmlSource("https://www.iwhois.com/whois/" + webname.Trim(), Encoding.GetEncoding("iso-8859-1"));
foreach (Match item in Regex.Matches(str, "Name Server:(.{4,})"))
{
list.Add(item.Groups[1].Value.Trim().ToLower());
}
if (list.Count == 0)
{
return("没找到DNS信息");
}
else
{
return(string.Join(",", list.ToArray()));
}
}
