shell:$ nslookup -timeout=2 -retry=1 'pubsub.googleapis.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	pubsub.googleapis.com
Address: 172.253.132.95
Name:	pubsub.googleapis.com
Address: 2607:f8b0:4023:2c03::5f