ns2.naver.com has no TXT records.
Question and response
Question
dig ns2.naver.com. TXT
Answer
The response has no answer records.
Authority
naver.com. 180 SOA ns1.naver.com. webmaster.naver.com. 2026030603 21600 1800 1209600 180
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0