shell:$ nslookup -timeout=2 -retry=1 'cellc.m.workplace.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
cellc.m.workplace.com	canonical name = star.workplace.com.
star.workplace.com	canonical name = secure.c10r.facebook.com.
Name:	secure.c10r.facebook.com
Address: 31.13.80.15
Name:	secure.c10r.facebook.com
Address: 2a03:2880:f00e:18:face:b00c:0:2b80