acat.kr.		30 IN SOA acat.kr. postmaster.acat.kr. (
				20171017   ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				3600000    ; expire (5 weeks 6 days 16 hours)
				43200      ; minimum (12 hours)
				)

acat.kr.		30 IN TXT "v=spf1 ip4:1.234.63.234 ~all"

acat.kr.		30 IN A	1.234.63.234

Mail exchangers:
acat.kr.		30 IN MX 10 acat.kr.

Name servers:
acat.kr.		30 IN NS cns2.simplexi.com.
acat.kr.		30 IN NS cns1.simplexi.com.