srv.dcnet.com.tr has no NS records.
NS records for this zone are defined at dcnet.com.tr.
NS records for this zone are defined at dcnet.com.tr.
Question and response
Question
dig srv.dcnet.com.tr. NS
Answer
The response has no answer records.
Authority
dcnet.com.tr. 3600 SOA dns1.dc.net.tr. hostmaster.dcnet.com.tr. 2026020501 3600 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0