mailin2.bezvanet.cz has no NS records.
NS records for this zone are defined at bezvanet.cz.
NS records for this zone are defined at bezvanet.cz.
Question and response
Question
dig mailin2.bezvanet.cz. NS
Answer
The response has no answer records.
Authority
bezvanet.cz. 2560 SOA ns1.websupport.sk. admin.websupport.sk. 1768482524 7200 2048 1048576 2560
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0