shell:$ nslookup -timeout=2 -retry=1 'ocsp.rootca1.amazontrust.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	ocsp.rootca1.amazontrust.com
Address: 54.230.110.151
Name:	ocsp.rootca1.amazontrust.com
Address: 2600:9000:2007:2400:0:566:22d5:d9e1
Name:	ocsp.rootca1.amazontrust.com
Address: 2600:9000:2007:f200:0:566:22d5:d9e1
Name:	ocsp.rootca1.amazontrust.com
Address: 2600:9000:2007:3800:0:566:22d5:d9e1
Name:	ocsp.rootca1.amazontrust.com
Address: 2600:9000:2007:f000:0:566:22d5:d9e1
Name:	ocsp.rootca1.amazontrust.com
Address: 2600:9000:2007:cc00:0:566:22d5:d9e1
Name:	ocsp.rootca1.amazontrust.com
Address: 2600:9000:2007:1200:0:566:22d5:d9e1
Name:	ocsp.rootca1.amazontrust.com
Address: 2600:9000:2007:6c00:0:566:22d5:d9e1
Name:	ocsp.rootca1.amazontrust.com
Address: 2600:9000:2007:400:0:566:22d5:d9e1