dksn-cas2.opgn.net.
Question and response
Question
dig 68.147.rev.ipalm.net.au. PTR
Answer
68.147.rev.ipalm.net.au. 86400 PTR dksn-cas2.opgn.net.
Authority
ipalm.net.au. 172800 NS ns-1099.awsdns-09.org.
ipalm.net.au. 172800 NS ns-1687.awsdns-18.co.uk.
ipalm.net.au. 172800 NS ns-283.awsdns-35.com.
ipalm.net.au. 172800 NS ns-860.awsdns-43.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0