dev.xenosite.net has no CNAME records.
Question and response
Question
dig dev.xenosite.net. NS
Answer
The response has no answer records.
Authority
xenosite.net. 1780 SOA liz.ns.cloudflare.com. dns.cloudflare.com. 2397741759 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0