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

Non-authoritative answer:
www.ciscowebex.com	canonical name = www.webex.com.
www.webex.com	canonical name = all-www.webex.com.edgekey.net.
all-www.webex.com.edgekey.net	canonical name = e119.dsca.akamaiedge.net.
Name:	e119.dsca.akamaiedge.net
Address: 23.49.63.72
Name:	e119.dsca.akamaiedge.net
Address: 2600:1405:d400:18d::77
Name:	e119.dsca.akamaiedge.net
Address: 2600:1405:d400:18b::77