国内最快DNS根服务器地址网!
string(260) "get document error:https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9B%BD%E5%86%85%E6%9C%80%E5%BF%ABDNS%E6%A0%B9%E6%9C%8D%E5%8A%A1%E5%99%A8%E5%9C%B0%E5%9D%80 => Failed to connect to 101.91.112.32 port 38162: Connection refused"
国内最快DNS根服务器地址网!