b24.pc-net.ru has no NS records.
NS records for this zone are defined at pc-net.ru.
NS records for this zone are defined at pc-net.ru.
Question and response
Question
dig lb.bitrix24.site. NS
Answer
The response has no answer records.
Authority
bitrix24.site. 900 SOA ns-302.awsdns-37.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0