C:\Documents and Settings\Administrator.TSINGHUA-QBVVR1
nslookup
Default Server:
dns-a.tsinghua.edu.cn
Address:
166.111.8.28
set type=ns
server ns.xinnet.cn
Default Server:
ns.xinnet.cn
Address:
202.106.124.195
ls sina.com.cn
[ns.xinnet.cn]
然后就没有反应了……