ms2.dempseyclark.cz has no NS records.
NS records for this zone are defined at dempseyclark.cz.
NS records for this zone are defined at dempseyclark.cz.
Question and response
Question
dig ms2.dempseyclark.cz. NS
Answer
The response has no answer records.
Authority
dempseyclark.cz. 86400 SOA ns1.dacc.cz. domains.dacc.cz. 2016110501 14400 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0