heungil.net. 3600 IN A 121.126.130.234 heungil.net. 3600 IN NS kns2.sorriso.kr. heungil.net. 3600 IN NS kns1.sorriso.kr. heungil.net. 3600 IN SOA kns1.sorriso.kr. mail.sorriso.kr. ( 2014061011 ; serial 600 ; refresh (10 minutes) 7200 ; retry (2 hours) 604800 ; expire (1 week) 300 ; minimum (5 minutes) ) heungil.net. 3600 IN MX 5 smtp.heungil.net. heungil.net. 3600 IN MX 10 mail.heungil.net. heungil.net. 3600 IN TXT "v=spf1 ip4:121.254.193.0/24 ip4:211.234.105.0/24 -all"