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

Non-authoritative answer:
Name:	rollbar.com
Address: 104.20.31.232
Name:	rollbar.com
Address: 172.66.155.94
Name:	rollbar.com
Address: 2606:4700:10::ac42:9b5e
Name:	rollbar.com
Address: 2606:4700:10::6814:1fe8