shell:$ nslookup -timeout=2 -retry=1 'apps.mypurecloud.jp'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
apps.mypurecloud.jp	canonical name = nginx-alb-routed-535837272.ap-northeast-1.elb.amazonaws.com.
Name:	nginx-alb-routed-535837272.ap-northeast-1.elb.amazonaws.com
Address: 52.192.39.22
Name:	nginx-alb-routed-535837272.ap-northeast-1.elb.amazonaws.com
Address: 54.64.100.33
Name:	nginx-alb-routed-535837272.ap-northeast-1.elb.amazonaws.com
Address: 52.198.129.225