以前在家用铁通的宽带，速度很慢！现在办公室用电信的宽带，反应很慢！昨天修改了一个域名的DNS和指向到今天测试还是解析到原来的机器！换DNS试试，原因找到了！是中国电信的DNS问题，人家24小时都不刷新！被客户投诉！建议株洲电信用户将首先DNS换成：61.234.254.5，备选继续用61.187.98.6好了。
(C) 版权所有 1985-2001 Microsoft Corp.
C:\Documents and Settings\Administrator>ping www.ji******.com
Pinging www.ji******.com [208.113.145.156] with 32 bytes of data:
Reply from 208.113.145.156: bytes=32 time=518ms TTL=53
Request timed out.
Request timed out.
Reply from 208.113.145.156: bytes=32 time=568ms TTL=53
Ping statistics for 208.113.145.156:
Packets: Sent = 4, Received = 2, Lost = 2 (50% loss),
Approximate round trip times in milli-seconds:
Minimum = 918ms, Maximum = 968ms, Average = 943ms
C:\Documents and Settings\Administrator>ping www.ji******.com
Pinging www.ji******.com [218.75.1**.1**] with 32 bytes of data:
Reply from 218.75.1**.1**: bytes=32 time=27ms TTL=124
Reply from 218.75.1**.1**: bytes=32 time=27ms TTL=124
Reply from 218.75.1**.1**: bytes=32 time=29ms TTL=124
Reply from 218.75.1**.1**: bytes=32 time=29ms TTL=124
Ping statistics for 218.75.1**.1**:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 27ms, Maximum = 29ms, Average = 28ms
C:\Documents and Settings\Administrator>