nextcloud.etelecom.ru has no NS records.
NS records for this zone are defined at etelecom.ru.
NS records for this zone are defined at etelecom.ru.
Question and response
Question
dig nextcloud.etelecom.ru. NS
Answer
The response has no answer records.
Authority
etelecom.ru. 86400 SOA ns.gblnet.ru. noc.etelecom.ru. 2026033152 10800 1200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0