You may need to clear your DNS cache.
你可能需要清理你的DNS缓存。
[This will clear the local cache, but obviously the cache is there for a reason - to speed up user's sessions].
这将清除本地缓存，但该缓存的存在是有原因的—为了加速用户的会话。
It may be necessary to clear the cache manually if the data source data changes infrequently or if it is required to clear the cache in between automatically scheduled cache clearing.
如果数据源数据很少变化或需要清理自动调度的缓存清理之间的缓存，那么手动清理缓存可能就是必须的。
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