Question and response
Question
dig mx2.cityemail.com. PTR
Answer
The response has no answer records.
Authority
cityemail.com. 3600 SOA ns2.wizard.ca. hostmaster.wizard.ca. 408 21600 3600 604800 43200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0