DNS无法解析，请高手们看看
所有设置正常，可以Ping通DNS服务器，但就是无法解析域名。
ping IP 地址时发现有些异常：
C:\Documents and Settings\Administrator>ping 202.100.96.68
Pinging ？ with 32 bytes of data: ‘请注意，这里是？而不是通常的202.100.96.68
Reply from 202.100.96.68: bytes=32 time=20ms TTL=248
Reply from 202.100.96.68: bytes=32 time=20ms TTL=248
Reply from 202.100.96.68: bytes=32 time=30ms TTL=248
Reply from 202.100.96.68: bytes=32 time=30ms TTL=248
Ping statistics for 202.100.96.68:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 20ms, Maximum = 30ms, Average = 25ms
使用了各种恶意代码的清除工具，卸载了所有的插件，进程中也看不出任何异常。也没有办法解决。各位高手谁遇到过这种情况，帮忙看看，谢谢了。
