shell:$ nslookup -timeout=2 -retry=1 'crt.rootca1.amazontrust.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	crt.rootca1.amazontrust.com
Address: 3.160.22.104
Name:	crt.rootca1.amazontrust.com
Address: 3.160.22.119
Name:	crt.rootca1.amazontrust.com
Address: 3.160.22.22
Name:	crt.rootca1.amazontrust.com
Address: 3.160.22.2