断定域名哪出问题

G:\Documents and Settings\Administrator>nslookupDefault Server:  gjjline.bta.net.cnAddress:  202.106.0.20> server 8.8.8.8         //设定serverName Default Server:  google-public-dns-a.google.comAddress:  8.8.8.8> baidu.com                    //查询域名 (在server 8.8.8.8 的serverName内,不用默认的serveName)Server:  google-public-dns-a.google.comAddress:  8.8.8.8Non-authoritative answer:Name:    baidu.comAddresses:  220.181.111.86, 123.125.114.144, 220.181.111.85