PTR

ec2-52-221-210-100.ap-southeast-1.compute.amazonaws.com

A record for

`mailservers.unifocus.com`
	A	3.81.114.117
	A	13.214.144.238
	A	52.221.210.100
	A	74.124.20.106
	A	74.124.20.134
	A	74.124.22.114
	A	74.124.22.115
	A	108.166.160.131
	A	108.166.160.134
	A	108.166.171.213
	A	108.166.171.214
	A	108.166.171.226
	A	108.166.171.228
	A	108.166.171.240
	A	108.166.171.243
	A	108.166.171.253
	A	198.161.237.1
	A	198.161.237.20
`ec2-52-221-210-100.ap-southeast-1.compute.amazonaws.com`
	A	52.221.210.100

Singapore, Singapore, 🇸🇬 Singapore

^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}