ns2-201.azure-dns-3.cn has no NS records.
NS records for this zone are defined at azure-dns-3.cn.
NS records for this zone are defined at azure-dns-3.cn.
Question and response
Question
dig ns2-201.azure-dns-3.cn. NS
Answer
The response has no answer records.
Authority
azure-dns-3.cn. 3600 SOA ns1-201.azure-dns-3.cn. azuredns-hostmaster.microsoft.com. 2 7200 900 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0