mx4.kakao.com NS records

NS Authoritative DNS server
5m
mx4.kakao.com has no NS records.
NS records for this zone are defined at kakao.com.
trace mx4.kakao.com NS records for kakao.com

Question and response

Question

dig mx4.kakao.com. NS

Answer

The response has no answer records.

Authority

kakao.com. 300 SOA ns.kakaocorp.com. root.kakaocorp.com. 1669033535 1800 600 2419200 300

Additional

. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0