So TTL(Time to Live) is basically a way for web browser and client to cache the response of a DNS query, and the reason we do this in AWS is to prevent DNS overloading.
TTL are usually set when creating your records in AWS hosted zone. So if you get a question like this in your AWS Certified Solutions Architect Associate 2021 exam.
After updating a Route 53 record to point "myapp.mydomain.com" from an old Load Balancer to a new load balancer, it looks like the users are still not redirected to your new load balancer. You are wondering why
This is because of the TTL was set for a long period of time .Note the type of record set in the above question is an 'Alias' ie domain name to AWS resource which is a load balancer . Thanks for reading
Top comments (0)