Question and response
Question
dig smtp.hctc.com. NSEC3PARAM
Answer
The response has no answer records.
Authority
hctc.com. 600 SOA mailbe.hcc.net. hostmaster.hcc.net. 2015092870 600 3600 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0