Question and response
Question
dig GCB.SU. NSEC3PARAM
Answer
The response has no answer records.
Authority
GCB.SU. 3600 SOA ns-mail03.getcourse.ru. hostmaster.GCB.SU. 672072 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0