ns3.qservco.com has no CNAME records.
Question and response
Question
dig ns3.qservco.com. NS
Answer
The response has no answer records.
Authority
qservco.com. 10718 SOA ns1.qservco.com. dns-admin.qservco.com. 2026022603 10800 3600 2419200 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0