nc3140.nexylan.net has no CNAME records.
Question and response
Question
dig nc3140.nexylan.net. NS
Answer
The response has no answer records.
Authority
nexylan.net. 608 SOA hunts.ns.cloudflare.com. dns.cloudflare.com. 2398067914 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0