ns2.volc-dns.net has no NS records.
NS records for this zone are defined at volc-dns.net.
NS records for this zone are defined at volc-dns.net.
Question and response
Question
dig ns2.volc-dns.net. NS
Answer
The response has no answer records.
Authority
volc-dns.net. 300 SOA ns1.bytedns.com. dnsadmin.bytedance.com. 2022111113 3600 1200 86400 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0