_spf-domru.fromdomru.ru has no NS records.
NS records for this zone are defined at fromdomru.ru.
NS records for this zone are defined at fromdomru.ru.
Question and response
Question
dig _spf-domru.fromdomru.ru. NS
Answer
The response has no answer records.
Authority
fromdomru.ru. 3600 SOA ns8.ertelecom.ru. noc.ertelecom.ru. 2022120200 28800 7200 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0