Question and response
Question
dig b26.cz. NS
Answer
b26.cz. 3600 NS ns-uk.topdns.com.
b26.cz. 3600 NS ns-usa.topdns.com.
b26.cz. 3600 NS ns-canada.topdns.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0