Question and response
Question
dig mx.propersupport.com. NSEC3
Answer
The response has no answer records.
Authority
propersupport.com. 1800 SOA propersupport.com. root.propersupport.com. 1676297270 28800 7200 604800 86400
Additional
. 0 OPT ; payload 600, xrcode 0, version 0, flags 0