shell:$ nslookup -timeout=2 -retry=1 'beta-sdf.yammer.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
beta-sdf.yammer.com	canonical name = k-0001.k-msedge.net.
Name:	k-0001.k-msedge.net
Address: 13.107.18.10
Name:	k-0001.k-msedge.net
Address: 2620:1ec:c::10