Question and response
Question
dig mx2.emailsrvr.com. SIG
Answer
The response has no answer records.
Authority
mx2.emailsrvr.com. 300 SOA ns.rackspace.com. postmaster.emailsrvr.com. 1685284055 3600 300 1814400 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0