rs24.luxscioffice.com has no CNAME records.
Question and response
Question
dig rs24.luxscioffice.com. NS
Answer
The response has no answer records.
Authority
luxscioffice.com. 300 SOA dns1.easydns.com. zone.easydns.com. 1772579741 86400 43200 1209600 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0