shared10.uk-noc.com has no CNAME records.
Question and response
Question
dig shared10.uk-noc.com. NS
Answer
The response has no answer records.
Authority
uk-noc.com. 233 SOA elly.ns.cloudflare.com. dns.cloudflare.com. 2396995287 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0