No, it is that your domain isn’t in the .tr registry nameservers. As @cscharff says, contact your registrar.
dig +trace +nodnssec onurmihci.com.tr
; <<>> DiG 9.18.30 <<>> +trace +nodnssec onurmihci.com.tr
;; global options: +cmd
. 518138 IN NS a.root-servers.net.
...
. 518138 IN NS m.root-servers.net.
;; Received 239 bytes from 1.1.1.1#53(1.1.1.1) in 5 ms
tr. 172800 IN NS ns41.ns.tr.
tr. 172800 IN NS ns42.ns.tr.
tr. 172800 IN NS ns43.ns.tr.
tr. 172800 IN NS ns44.ns.tr.
tr. 172800 IN NS ns61.ns.tr.
tr. 172800 IN NS ns71.ns.tr.
tr. 172800 IN NS ns72.ns.tr.
tr. 172800 IN NS ns73.ns.tr.
tr. 172800 IN NS ns74.ns.tr.
;; Received 419 bytes from 2801:1b8:10::b#53(b.root-servers.net) in 8 ms
com.tr. 3600 IN SOA ns73.ns.tr. hostmaster.trabis.gov.tr. 1740420930 7200 900 86400 3600
;; Received 111 bytes from 185.7.0.5#53(ns44.ns.tr) in 68 ms