Question and response
Question
dig mx.softlayer.com. NSEC3PARAM
Answer
The response has no answer records.
Authority
softlayer.com. 900 SOA ns1.softlayer.com. root.softlayer.com. 2025102200 7200 600 1728000 900
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0