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

Non-authoritative answer:
www.xfinity.com	canonical name = www.xfinity.com.edgekey.net.
www.xfinity.com.edgekey.net	canonical name = e10994.dscx.akamaiedge.net.
Name:	e10994.dscx.akamaiedge.net
Address: 23.194.156.104
Name:	e10994.dscx.akamaiedge.net
Address: 2600:1405:d400:286::2af2
Name:	e10994.dscx.akamaiedge.net
Address: 2600:1405:d400:284::2af2