tools-01.globalnoc.mcnc.org has no MX records.
Question and response
Question
dig tools-01.globalnoc.mcnc.org. MX
Answer
The response has no answer records.
Authority
globalnoc.mcnc.org. 14400 SOA ns-01.mcnc.org. hostmaster.ncren.net. 2026011400 14400 3600 1209600 14400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0