shell:$ nslookup -timeout=2 -retry=1 'www.yammer.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
www.yammer.com	canonical name = yammer-migrate.trafficmanager.net.
yammer-migrate.trafficmanager.net	canonical name = b-0005t.b-msedge.net.
Name:	b-0005t.b-msedge.net
Address: 13.107.6.159
Name:	b-0005t.b-msedge.net
Address: 2620:1ec:a92::159