一台windows xp系统的机器出现这样的问题:
ping www.g.cn
Ping request could not find host www.g.cn. Please check the
name and try again.
IE也无法打开网页
但是
nslookup
Default Server: a.center-dns.jsinfo.net
Address: 218.2.135.1
> set type=a
> g.cn
Server: a.center-dns.jsinfo.net
Address: 218.2.135.1
Non-authoritative answer:
Name: g.cn
Addresses: 203.208.33.101, 203.208.33.100
却是正常的
直接输入203.208.33.101可以打开网页
ping 网关正常 ping dns正常 内网网站可以正常访问
在host文件里加入ip 域名对应关系,可以正常访问
怀疑是tcp/ip协议或lsp问题.重装协议,修复lsp,socket仍然无效,在网络上找到一篇文章说是DNS补丁KB951748会导致这种问题
于是卸载KB951748重起机器,Everything is normal
DNS无发解析-ping request could not find host
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