13.224.54.11
server-13-224-54-11.phx50.r.cloudfront.net
13.224.54.203
server-13-224-54-203.phx50.r.cloudfront.net
13.224.54.83
server-13-224-54-83.phx50.r.cloudfront.net
13.224.54.85
server-13-224-54-85.phx50.r.cloudfront.net

2600:9000:20c9:600:16:4130:7f40:21
2600:9000:20c9:8200:16:4130:7f40:21
2600:9000:20c9:8a00:16:4130:7f40:21
2600:9000:20c9:9600:16:4130:7f40:21
2600:9000:20c9:a200:16:4130:7f40:21
2600:9000:20c9:a400:16:4130:7f40:21
2600:9000:20c9:cc00:16:4130:7f40:21
2600:9000:20c9:e800:16:4130:7f40:21

mx1.forwardmx.io.
mx2.forwardmx.io.