shell:$ nslookup -timeout=2 -retry=1 'pantheon-systems.map.fastly.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	pantheon-systems.map.fastly.net
Address: 151.101.2.133
Name:	pantheon-systems.map.fastly.net
Address: 151.101.66.133
Name:	pantheon-systems.map.fastly.net
Address: 151.101.130.133
Name:	pantheon-systems.map.fastly.net
Address: 151.101.194.133
Name:	pantheon-systems.map.fastly.net
Address: 2a04:4e42::645
Name:	pantheon-systems.map.fastly.net
Address: 2a04:4e42:200::645
Name:	pantheon-systems.map.fastly.net
Address: 2a04:4e42:400::645
Name:	pantheon-systems.map.fastly.net
Address: 2a04:4e42:600::645