这是我的错误输出

sunjinsong

sjs# nslookup www.163.com
61.28.198.202.in-addr.arpa
        origin = sjs.sun.com.61.28.198.202.in-addr.arpa
        mail addr = root.sjs.sun.com.61.28.198.202.in-addr.arpa
        serial = 20040507
        refresh = 3600 (1H)
        retry   = 900 (15M)
        expire  = 3600000 (5w6d16h)
        minimum ttl = 3600 (1H)
*** Can't find server name for address 202.198.28.61: No information
*** Can't find server name for address ::: No response from server
*** Default servers are not available

rainren

解析自己的主机, 不是解析别的主机! 当然, 如果你的DNS连接到网上的主DNS也可以的!