MONGOS ec2-3-234-177-125.compute-1.amazonaws.com
CONFIG1 ec2-34-205-252-97.compute-1.amazonaws.com
CONFIG2 ec2-35-175-112-38.compute-1.amazonaws.com
S1.1 ec2-3-94-21-27.compute-1.amazonaws.com
S2.1 ec2-3-231-3-42.compute-1.amazonaws.com
S3.1 ec2-54-89-73-51.compute-1.amazonaws.com
S1.2 ec2-34-239-172-37.compute-1.amazonaws.com
S2.2 ec2-3-231-212-152.compute-1.amazonaws.com
S3.2 ec2-34-204-202-40.compute-1.amazonaws.com