Question and response
Question
dig mx.huntsvilleisd.com. CSYNC
Answer
The response has no answer records.
Authority
huntsvilleisd.com. 3600 SOA dns.huntsvilleisd.com. hostmaster.huntsvilleisd.com. 1840656287 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0