mx03.turktelekom.com.tr has no MX records.
Question and response
Question
dig mx03.turktelekom.com.tr. MX
Answer
The response has no answer records.
Authority
turktelekom.com.tr. 300 SOA ns1.ttidc.com.tr. dnsadmin.ttidc.com.tr. 2022020921 86400 7200 604800 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0