shell:$ nslookup -timeout=2 -retry=1 'calendly.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	calendly.com
Address: 172.64.146.81
Name:	calendly.com
Address: 104.18.41.175
Name:	calendly.com
Address: 2a06:98c1:3107::ac40:9251
Name:	calendly.com
Address: 2606:4700:4402::6812:29af