shell:$ nslookup -timeout=2 -retry=1 'live-teaching-ba-staging.sirogu.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	live-teaching-ba-staging.sirogu.com
Address: 104.21.66.183
Name:	live-teaching-ba-staging.sirogu.com
Address: 172.67.163.55
Name:	live-teaching-ba-staging.sirogu.com
Address: 2606:4700:3034::6815:42b7
Name:	live-teaching-ba-staging.sirogu.com
Address: 2606:4700:3033::ac43:a337