easy5 pts · first answer countsdnsnetworking

DNS TTL before a migration

You will move a service to a new IP address next week. Why lower the DNS record TTL a few days before the move?

A.A lower TTL makes DNS queries faster for usersB.Resolvers will cache the old answer for a shorter time, so the switch takes effect quicklyC.A lower TTL encrypts the DNS responseD.A lower TTL stops clients from using IPv6

← Spans in a trace A 503 from the load balancer →