Question and response
Question
dig rackcdn.com. NSEC3
Answer
The response has no answer records.
Authority
rackcdn.com. 300 SOA ns.rackspace.com. hostmaster.rackspace.com. 1770647397 3600 300 1814400 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0