colo-c.savecom.net.tw has no TXT records.
Question and response
Question
dig colo-c.savecom.net.tw. TXT
Answer
colo-c.savecom.net.tw. 5 CNAME colo.savecom.net.tw.
Authority
savecom.net.tw. 60 SOA dns.savecom.net.tw. noc.savecom.net.tw. 2026011501 900 900 1800 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0