mx03.turktelekom.com.tr has no NS records.
NS records for this zone are defined at turktelekom.com.tr.
NS records for this zone are defined at turktelekom.com.tr.
Question and response
Question
dig mx03.turktelekom.com.tr. NS
Answer
The response has no answer records.
Authority
turktelekom.com.tr. 300 SOA ns1.ttidc.com.tr. dnsadmin.ttidc.com.tr. 2022020923 86400 7200 604800 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0