什么是DNS?简而言之是从域名(www.qq.com)解析为IP(183.60.15.153)的过程,详情可移步 wikipedia

这篇文章用以记录浏览器级别的DNS缓存策略:

  • Firefox 默认的DNS缓存时间是 60s, 可通过在about:confignetwork.dnsCacheExpiration配置来进行修改
  • IE 30 min
  • Opera 15-60s

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Published

05 September 2013

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