shell:$ nslookup -timeout=2 -retry=1 'crt.sca0a.amazontrust.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	crt.sca0a.amazontrust.com
Address: 3.170.7.147
Name:	crt.sca0a.amazontrust.com
Address: 3.170.7.133
Name:	crt.sca0a.amazontrust.com
Address: 3.170.7.77
Name:	crt.sca0a.amazontrust.com
Address: 3.170.7.180