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

Non-authoritative answer:
ask.usertesting.com	canonical name = c.sni.global.fastly.net.
Name:	c.sni.global.fastly.net
Address: 151.101.2.49
Name:	c.sni.global.fastly.net
Address: 151.101.66.49
Name:	c.sni.global.fastly.net
Address: 151.101.130.49
Name:	c.sni.global.fastly.net
Address: 151.101.194.49