ns2.pni.tw has no NS records.
NS records for this zone are defined at pni.tw.
NS records for this zone are defined at pni.tw.
Question and response
Question
dig ns2.pni.tw. NS
Answer
The response has no answer records.
Authority
pni.tw. 1800 SOA alan.ns.cloudflare.com. dns.cloudflare.com. 2398849708 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0