mail._domainkey.smr.etelecom.ru has no NS records.
NS records for this zone are defined at smr.etelecom.ru.
NS records for this zone are defined at smr.etelecom.ru.
Question and response
Question
dig mail._domainkey.smr.etelecom.ru. NS
Answer
The response has no answer records.
Authority
smr.etelecom.ru. 3600 SOA ns.gblnet.ru. vvv.gblnet.ru. 2024092306 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0