ut.ac.kr.		30 IN SOA ns1.ut.ac.kr. euns.ut.ac.kr. (
				2023051662 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				342000     ; expire (3 days 23 hours)
				10800      ; minimum (3 hours)
				)

ut.ac.kr.		30 IN TXT "v=spf1 ip4:221.168.57.135 ip4:210.119.144.20 ip4:210.119.152.24
-all"

ut.ac.kr.		30 IN A	210.119.144.25

Mail exchangers:
ut.ac.kr.		30 IN MX 0 sniper.ut.ac.kr.
ut.ac.kr.		30 IN MX 15 mail1.ut.ac.kr.
ut.ac.kr.		30 IN MX 10 mail.ut.ac.kr.

Name servers:
ut.ac.kr.		30 IN NS ns2.ut.ac.kr.
ut.ac.kr.		30 IN NS ns1.ut.ac.kr.