shell:$ nslookup -timeout=2 -retry=1 'test-hr-domain.auth.eu-west-1.amazoncognito.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	test-hr-domain.auth.eu-west-1.amazoncognito.com
Address: 108.128.22.62
Name:	test-hr-domain.auth.eu-west-1.amazoncognito.com
Address: 52.30.193.33
Name:	test-hr-domain.auth.eu-west-1.amazoncognito.com
Address: 52.212.137.161
Name:	test-hr-domain.auth.eu-west-1.amazoncognito.com
Address: 2a05:d018:478:8a01:bd96:e9ef:83db:a1d7
Name:	test-hr-domain.auth.eu-west-1.amazoncognito.com
Address: 2a05:d018:478:8a02:6f78:c1b6:ad7e:ef72
Name:	test-hr-domain.auth.eu-west-1.amazoncognito.com
Address: 2a05:d018:478:8a00:8a8d:9cef:fad1:702