我有一台运行 ubuntu 10.04 服务器的机器。在使用curl和wget.
使用tcpdumpwireshark，我发现问题出在为设置连接而进行的DNS查找中：
例子
当我运行时：
wget www.site1.com
我看到以下行为：
LOOKUP: AAAA www.site1.com
# => fail, no delay, site1 doesn't have an IPv6 AAAA record
LOOKUP: AAAA www.site1.com.mydomain.lan
# => fail, BIG DELAY, crazy domain doesn't exist
LOOKUP: A www.site1.com
# => success, no delay, resolves as expected (site1 has IPv4 A record)
CONNECTION PROCEEDS ...
我的设置
我的服务器的 resolv.conf 看起来像这样：
nameserver 192.168.0.1 # my router
domain mydomain.lan # made up domain name, for my …