72.219.246.213.escaux.com.
Question and response
Question
dig 72.64-27.219.246.213.in-addr.arpa. PTR
Answer
72.64-27.219.246.213.in-addr.arpa. 86400 PTR 72.219.246.213.escaux.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0