ntpsin3.ntppool.net has no TXT records.
Question and response
Question
dig ntpsin3.ntppool.net. TXT
Answer
The response has no answer records.
Authority
ntppool.net. 600 SOA ns1.us.bitnames.com. dnsoper.bitnames.com. 2026022201 600 900 3628800 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0