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

Non-authoritative answer:
myaccount.blackberry.com	canonical name = cbgwt.blackberry.net.
cbgwt.blackberry.net	canonical name = bgwt.dyn.blackberry.net.
Name:	bgwt.dyn.blackberry.net
Address: 74.82.86.0