usvpn.avature.net.
Question and response
Question
dig 194.192-255.135.137.209.in-addr.arpa. PTR
Answer
194.192-255.135.137.209.in-addr.arpa. 360 PTR usvpn.avature.net.
Authority
192-255.135.137.209.in-addr.arpa. 172800 NS ns-1016.awsdns-63.net.
192-255.135.137.209.in-addr.arpa. 172800 NS ns-1278.awsdns-31.org.
192-255.135.137.209.in-addr.arpa. 172800 NS ns-1989.awsdns-56.co.uk.
192-255.135.137.209.in-addr.arpa. 172800 NS ns-248.awsdns-31.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0