dnf.or.kr.		30 IN SOA ns.suidc.com. root.suidc.com. (
				2022041902 ; serial
				10800      ; refresh (3 hours)
				900        ; retry (15 minutes)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

dnf.or.kr.		30 IN TXT "v=spf1 ip4:210.127.208.136  ~all"

dnf.or.kr.		30 IN A	210.127.208.136

Mail exchangers:
dnf.or.kr.		30 IN MX 10 mail.dnf.or.kr.

Name servers:
dnf.or.kr.		30 IN NS ns2.suidc.com.
dnf.or.kr.		30 IN NS ns.suidc.com.