Implement Reverse DNS Look Up Cache

Title: How to Implement Reverse DNS Look Up Cache? Source: www.geeksforgeeks.org Reverse DNS look up is using an internet IP address to find a domain name. For example, if you type 74.125.200.106 in browser, it automatically redirects to google.in. How to implement Reverse DNS Look Up cache? Following are the operations needed from cache. 1) ...