shell:$ nslookup -timeout=2 -retry=1 'my-mobile.occom.com.au'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
my-mobile.occom.com.au	canonical name = my.occ.cl.imzi.com.
Name:	my.occ.cl.imzi.com
Address: 103.181.240.232