yu.ac.kr.		30 IN SOA ns.yu.ac.kr. bskim.yu.ac.kr. (
				2025032403 ; serial
				900        ; refresh (15 minutes)
				300        ; retry (5 minutes)
				604800     ; expire (1 week)
				900        ; minimum (15 minutes)
				)

yu.ac.kr.		30 IN TXT "v=spf1 include:_spf.google.com include:_spf.yu.ac.kr
include:gwspf.ktbizoffice.com include:_spf_edms.yu.ac.kr include:email.ncloud.com
~all"

yu.ac.kr.		30 IN A	165.229.11.3

Mail exchangers:
yu.ac.kr.		30 IN MX 1 ASPMX.L.GOOGLE.COM.
yu.ac.kr.		30 IN MX 5 ALT1.ASPMX.L.GOOGLE.COM.
yu.ac.kr.		30 IN MX 5 ALT2.ASPMX.L.GOOGLE.COM.
yu.ac.kr.		30 IN MX 10 ALT3.ASPMX.L.GOOGLE.COM.
yu.ac.kr.		30 IN MX 10 ALT4.ASPMX.L.GOOGLE.COM.

Name servers:
yu.ac.kr.		30 IN NS ns3.yu.ac.kr.
yu.ac.kr.		30 IN NS ns.yu.ac.kr.