mx.topconnect.ee has no NS records.
NS records for this zone are defined at topconnect.ee.
NS records for this zone are defined at topconnect.ee.
Question and response
Question
dig mx.topconnect.ee. NS
Answer
The response has no answer records.
Authority
topconnect.ee. 600 SOA ns1.topconnect.ee. root.ns1.topconnect.ee. 2026011400 3600 900 360000 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0