Question and response
Question
dig em4service.cz. NS
Answer
em4service.cz. 1800 NS ns2.zcom.cz.
em4service.cz. 1800 NS ns1.zcom.cz.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0