mail.online.rs has no NS records.
NS records for this zone are defined at online.rs.
NS records for this zone are defined at online.rs.
Question and response
Question
dig mail.online.rs. NS
Answer
The response has no answer records.
Authority
online.rs. 86400 SOA dns1.eunethosting.com. hostmaster.eunet.co.rs. 2026022310 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0