shell:$ nslookup -timeout=2 -retry=1 'sg.acr.dob.telenordigital.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	sg.acr.dob.telenordigital.com
Address: 18.140.183.220
Name:	sg.acr.dob.telenordigital.com
Address: 18.138.186.207
Name:	sg.acr.dob.telenordigital.com
Address: 18.143.220.113