gate.telekom.rs has no CNAME records.
Question and response
Question
dig gate.telekom.rs. NS
Answer
The response has no answer records.
Authority
telekom.rs. 3600 SOA ns1.telekom.rs. hostmaster.telekom.rs. 2026030531 7200 600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0