ns43.ns.tr has no CNAME records.
Question and response
Question
dig ns43.ns.tr. NS
Answer
The response has no answer records.
Authority
ns.tr. 2077 SOA ns73.ns.tr. hostmaster.trabis.gov.tr. 1745566722 7200 900 86400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0