cf.arhschool5.ru has no NS records.
NS records for this zone are defined at arhschool5.ru.
NS records for this zone are defined at arhschool5.ru.
Question and response
Question
dig cf.arhschool5.ru. NS
Answer
The response has no answer records.
Authority
arhschool5.ru. 10800 SOA ns1.reg.ru. hostmaster.ns1.reg.ru. 1759161677 14400 3600 604800 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0