123-110-74-89.sh.dynamic.tbcnet.net.tw has no NS records.
NS records for this zone are defined at tbcnet.net.tw.
NS records for this zone are defined at tbcnet.net.tw.
Question and response
Question
dig 123-110-74-89.sh.dynamic.tbcnet.net.tw. NS
Answer
The response has no answer records.
Authority
tbcnet.net.tw. 38400 SOA dns.tbcnet.net.tw. headend.tbcnet.net.tw. 2222367926 10800 3600 604800 38400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0