sys.savecom.net.tw has no NS records.
NS records for this zone are defined at savecom.net.tw.
NS records for this zone are defined at savecom.net.tw.
Question and response
Question
dig sys.savecom.net.tw. NS
Answer
The response has no answer records.
Authority
savecom.net.tw. 60 SOA dns.savecom.net.tw. noc.savecom.net.tw. 2026011501 900 900 1800 60
Additional
. 0 OPT ; payload 1432, xrcode 0, version 0, flags 0