Ok, so you are checking how to improve your DNS infrastructure. Great! There are different routing methods that you can use for your domain resolution. Now we will compare Anycast DNS and GeoDNS and see what their advantages and disadvantages are.
What is Anycast DNS?
Anycast DNS is a simple routing method with a single IP address for all of the name servers. The servers are located in different international locations. That way, a client’s query will search for that single IP address, no matter from where in the world he or she connects, and it will reach the closest server.