mailgw.open.telekom.rs has no MX records.
Question and response
Question
dig mailgw.open.telekom.rs. MX
Answer
The response has no answer records.
Authority
open.telekom.rs. 300 SOA dagda1.isp.telekom.rs. admin.isp.telekom.rs. 2024102900 10800 3600 604800 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0