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

Non-authoritative answer:
extend.vimeocdn.com	canonical name = vimeo.map.fastly.net.
Name:	vimeo.map.fastly.net
Address: 151.101.128.217
Name:	vimeo.map.fastly.net
Address: 151.101.64.217
Name:	vimeo.map.fastly.net
Address: 151.101.0.217
Name:	vimeo.map.fastly.net
Address: 151.101.192.217