Question and response
Question
dig auth3.dns.gxn.net. PTR
Answer
The response has no answer records.
Authority
dns.gxn.net. 86400 SOA auth1.dns.gxn.net. hostmaster.gxn.net. 2013060301 28800 7200 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0