speed.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 speed.savecom.net.tw. NS
Answer
The response has no answer records.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0