sejinpl.com. 86400 IN A 115.68.168.169 sejinpl.com. 21600 IN NS ns1.ksdom.kr. sejinpl.com. 21600 IN NS ns2.ksdom.kr. sejinpl.com. 21600 IN SOA ns1.ksdom.kr. domain.ksidc.net. ( 2021102808 ; serial 28800 ; refresh (8 hours) 7200 ; retry (2 hours) 604800 ; expire (1 week) 21600 ; minimum (6 hours) )