shell:$ nslookup -timeout=2 -retry=1 'op-group1-densxvisionhd-1.dens.tv'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
op-group1-densxvisionhd-1.dens.tv	canonical name = edge.dens-op.swiftserve.com.
edge.dens-op.swiftserve.com	canonical name = denstv.cbn.r53.swiftserve.com.
denstv.cbn.r53.swiftserve.com	canonical name = denstv.cbn.jns.swiftserve.com.
denstv.cbn.jns.swiftserve.com	canonical name = denstv.cbn.fllbk.r53.swiftserve.com.
denstv.cbn.fllbk.r53.swiftserve.com	canonical name = da01.id06.swiftserve.com.
Name:	da01.id06.swiftserve.com
Address: 210.210.155.36