Question and response
Question
dig vm.okeanos.grnet.gr. PTR
Answer
The response has no answer records.
Authority
vm.okeanos.grnet.gr. 100 SOA ns-pri.grnet.gr. dnsmgr.grnet.gr. 2016710047 10800 3600 2419200 100
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0