shell:$ nslookup -timeout=2 -retry=1 'commnat-cohort-gc.ess.apple.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
commnat-cohort-gc.ess.apple.com	canonical name = commnat-cohort-gc.ess-apple.com.akadns.net.
Name:	commnat-cohort-gc.ess-apple.com.akadns.net
Address: 17.133.234.33