Question and response
Question
dig osanet.cz. NS
Answer
osanet.cz. 86400 NS nsa.ces.net.
osanet.cz. 86400 NS decsys.vsb.cz.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1472, xrcode 0, version 0, flags 0