Question and response
Question
dig nS2.connect.spb.ru. CDNSKEY
Answer
The response has no answer records.
Authority
connect.spb.ru. 21076 NS ns2.connect.spb.ru.
connect.spb.ru. 21076 NS ns1.connect.spb.ru.
Additional
ns2.connect.spb.ru. 282675 A 146.66.181.162
ns1.connect.spb.ru. 274897 A 188.134.6.132