mxout.lax14.vpls.net has no CNAME records.
Question and response
Question
dig mxout.lax14.vpls.net. NS
Answer
The response has no answer records.
Authority
lax14.vpls.net. 10800 SOA ns1.vpls.net. hostmaster.vpls.net. 2026021100 10800 3600 604800 38400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0