DNS_Server We have used the docker commands to create a network and to run and build the docker images. Authoritative server runs on the port 53533 User Server on port 8080 Fibonacci server on 9090 http://localhost:8080/fibonacci?hostname=%22fibonacci.com%22&fs_port=9090&number=9&as_ip=%22172.18.0.4%22&as_port=53533