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

Non-authoritative answer:
api.sightcall.com	canonical name = app-prod.sightcall.com.
Name:	app-prod.sightcall.com
Address: 162.252.233.221