as13445.net has no MX records.
Question and response
Question
dig as13445.net. MX
Answer
The response has no answer records.
Authority
as13445.net. 120 SOA hns001.sjc03.webex.com. csg-ia.cisco.com. 2017040458 300 900 2419200 120
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0