Dns cache time windows

Peter Gichuki 06 October - 6 min read. Link copied. Do you like this post? You may also like 4. Computer Optimization. How to stop pop-ups in Google Chrome? Computer Optimization Performance Tweaks.

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Add a comment. Active Oldest Votes. Improve this answer. What kind of things constitute a "networking change"?

A new IP address, joining a different wifi network? According to the other answers and common sense , it appears like there is indeed a maximum lifetime for cached DNS entries in Windows. So this answer seems wrong.

Zero3 That can be explained via a per-entry TTL which may have a maximum value such that no entry is held over this time; the answer does not claim that there cannot be a maximum TTL.

Thus the answer can be true, in it's assertion that there is no "[entire] cache flush" , while still explaining the counter-argument behavior because entries are "flushed" expired individually by their own TTL entries.. Darren Hall Darren Hall 7, 1 1 gold badge 27 27 silver badges 23 23 bronze badges. If the value of this entry is 0x0, the DNS server does not save any records. Community Bot 1.

SomeOne01 SomeOne01 81 1 1 silver badge 1 1 bronze badge. Exactly what I was looking for. This event causes name resolution to fail or to be appropriated for subsequent queries in the specified domain. When you set the value for this parameter to True, the DNS server enables cache pollution protection and ignores the Host A record. The additional query minimally affects DNS server performance. For more information about NS resource records, see Managing resource records.

The default value is True. Specifies the maximum number of concurrent operations that can be established to run the cmdlet. The throttle limit applies only to the current cmdlet, not to the session or to the computer. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Please rate your experience Yes No. Any additional feedback? Module: DnsServer. Modifies cache settings for a DNS server.