Network

Jul 102013
 

Q: What is the default DNS cache expiration time?

A: Whether or not a DNS query cached is based on the response from the respective DNS server(s):

If DNS responds that the query is non-cacheable, the cache time-to-live (TTL) is set to 0.

If DNS responds that the query is cacheable, the cache TTL is set to a value in seconds.
Continue reading »

 Posted by at 8:48 am