saekyung.ac.kr.		30 IN SOA saekyung.ac.kr. postmaster.saekyung.ac.kr. (
				20220321   ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				3600000    ; expire (5 weeks 6 days 16 hours)
				43200      ; minimum (12 hours)
				)

saekyung.ac.kr.		30 IN TXT "v=spf1 ip4:211.34.104.37 ~all"

saekyung.ac.kr.		30 IN A	220.73.161.40

Mail exchangers:
saekyung.ac.kr.		30 IN MX 11 ALT4.ASPMX.L.GOOGLE.COM.
saekyung.ac.kr.		30 IN MX 6 ALT2.ASPMX.L.GOOGLE.COM.
saekyung.ac.kr.		30 IN MX 10 ALT3.ASPMX.L.GOOGLE.COM.
saekyung.ac.kr.		30 IN MX 10 rmw-002.fmcity.COM.
saekyung.ac.kr.		30 IN MX 5 ALT1.ASPMX.L.GOOGLE.COM.
saekyung.ac.kr.		30 IN MX 1 ASPMX.L.GOOGLE.COM.

Name servers:
saekyung.ac.kr.		30 IN NS ns3.saekyung.ac.kr.
saekyung.ac.kr.		30 IN NS ns.saekyung.ac.kr.
saekyung.ac.kr.		30 IN NS ns2.saekyung.ac.kr.
saekyung.ac.kr.		30 IN NS ns1.saekyung.ac.kr.