shell:$ nslookup -timeout=2 -retry=1 'support.sightcall.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
support.sightcall.com	canonical name = weemo1.zendesk.com.
Name:	weemo1.zendesk.com
Address: 216.198.54.11
Name:	weemo1.zendesk.com
Address: 216.198.53.11