shell:$ nslookup -timeout=2 -retry=1 'us04xmpp1.zoom.us'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
us04xmpp1.zoom.us	canonical name = us04xmpp1-test.zoom.us.
us04xmpp1-test.zoom.us	canonical name = us04xmpp1-xsr.zoom.us.
us04xmpp1-xsr.zoom.us	canonical name = us04xmpp-xsrsrv-container1.zoom.us.
Name:	us04xmpp-xsrsrv-container1.zoom.us
Address: 134.224.240.200
Name:	us04xmpp-xsrsrv-container1.zoom.us
Address: 2407:30c0:100:522:47cd:c1cf:5a2b:79a