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

Non-authoritative answer:
transactions.nivabupa.com	canonical name = Transactions.nivabupa.com.induscdn.com.
Transactions.nivabupa.com.induscdn.com	canonical name = indusprodcustomer1199.pc.cdn.bitgravity.com.
indusprodcustomer1199.pc.cdn.bitgravity.com	canonical name = pc-b.bitgravity.com.
Name:	pc-b.bitgravity.com
Address: 64.185.181.238