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來源: 於 2006-10-14 15:46:13 [舊帖] [給我悄悄話] 本文已被閱讀：次

When type "nslookup www.sina.com.cn"
system says:
Can't find server name for address 192.168.0.1: non-existent domain.
Default servers are not available
Server: Unknown
Address: 192.168.0.1

Non-Authoritative answer:
Name: Jupiter.sina.com.cn
Address: 61.172.201.195
Aliases: www.sina.com.cn

When type "telnet 61.172.201.195 80"
System responses:
Could not open connection to the host, on port 80: connect failed