23.21.135.25
ec2-23-21-135-25.compute-1.amazonaws.com
3.211.64.31
ec2-3-211-64-31.compute-1.amazonaws.com
34.226.99.223
ec2-34-226-99-223.compute-1.amazonaws.com
34.230.119.208
ec2-34-230-119-208.compute-1.amazonaws.com
52.1.208.173
ec2-52-1-208-173.compute-1.amazonaws.com
54.144.167.95
ec2-54-144-167-95.compute-1.amazonaws.com

mx1.broadinstitute.org.
mx2.broadinstitute.org.
mx3.broadinstitute.org.