spf001.amocrm.ru has no NS records.
NS records for this zone are defined at amocrm.ru.
NS records for this zone are defined at amocrm.ru.
Question and response
Question
dig spf001.amocrm.ru. NS
Answer
The response has no answer records.
Authority
amocrm.ru. 600 SOA ns3-l2.nic.ru. dns.nic.ru. 2017055577 1440 3600 2592000 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0