You can change the time-to-live setting for DNS entries using the options dns.update.ttl
command.
Step
Enter the following command:
options dns.update.ttl time
where time can be
set in seconds (s), minutes (m), or hours
(h) with a minimum value of 600 seconds and a maximum
value of 24 hours.
Example
To set the TTL to two hours, enter the following
command:
