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):
Refer to Article ID: 166435 for more details.
Q: Can I change the DNS cache expiration time on the appliance?
A: No. You cannot change the DNS cache expiration time on the appliance.
For the cache TTL of negative DNS responses, refer to Article ID: 165690 for more information.
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