mta.allianz.com.tr has no CNAME records.
Question and response
Question
dig mta.allianz.com.tr. NS
Answer
The response has no answer records.
Authority
allianz.com.tr. 541 SOA dnsa1.vodafone.net.tr. hostmaster.vodafone.net.tr. 2020012495 10800 3600 2419200 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0