hokudai.ac.jp.		30 IN SOA nameserv.sys.hokudai.ac.jp. postmaster.hokudai.ac.jp. (
				10007617   ; serial
				3600       ; refresh (1 hour)
				600        ; retry (10 minutes)
				3600000    ; expire (5 weeks 6 days 16 hours)
				1200       ; minimum (20 minutes)
				)

hokudai.ac.jp.		30 IN TXT "v=spf1 +ip4:133.50.0.0/16 +ip4:133.87.0.0/16
+ip4:192.50.101.190"

hokudai.ac.jp.		30 IN A	133.87.1.132

Mail exchangers:
hokudai.ac.jp.		30 IN MX 10 mailgate-fr2.hines.hokudai.ac.jp.
hokudai.ac.jp.		30 IN MX 10 mailgate-fr1.hines.hokudai.ac.jp.

Name servers:
hokudai.ac.jp.		30 IN NS nameserv2-hines.sys.hokudai.ac.jp.
hokudai.ac.jp.		30 IN NS dns-x.sinet.ad.jp.
hokudai.ac.jp.		30 IN NS nameserv.sys.hokudai.ac.jp.