mx.dijitalisyerim.com has no CNAME records.
Question and response
Question
dig mx.dijitalisyerim.com. NS
Answer
The response has no answer records.
Authority
dijitalisyerim.com. 10800 SOA ns1.vodafone.com.tr. dnsadm.vodafone.com.tr. 2024071601 7200 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0