wireless911.its.state.nc.us has no MX records.
Question and response
Question
dig wireless911.its.state.nc.us. MX
Answer
The response has no answer records.
Authority
its.state.nc.us. 900 SOA ns1.nc.gov. hostmaster.its.nc.gov. 2011075331 10800 3600 2419200 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0