mail-relay2.slovanet.net has no NS records.
NS records for this zone are defined at slovanet.net.
NS records for this zone are defined at slovanet.net.
Question and response
Question
dig mail-relay2.slovanet.net. NS
Answer
The response has no answer records.
Authority
slovanet.net. 10800 SOA ns.slovanet.net. dns.slovanet.net. 2026020502 7200 3600 604800 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0