mx.frionline.com.br.
Question and response
Question
dig 177.54.113.31.frionline.com.br. PTR
Answer
177.54.113.31.frionline.com.br. 3600 PTR mx.frionline.com.br.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0