tlapnet-smtp.vlasimnet.net has no NS records.
NS records for this zone are defined at vlasimnet.net.
NS records for this zone are defined at vlasimnet.net.
Question and response
Question
dig tlapnet-smtp.vlasimnet.net. NS
Answer
The response has no answer records.
Authority
vlasimnet.net. 86400 SOA ns1.vlasimnet.cz. hostmaster.vlasimnet.cz. 2026022500 28800 7200 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0