www.tkc.or.jp.		30 IN CNAME tkc.or.jp.
tkc.or.jp.		30 IN SOA master.dns.ne.jp. tech.sakura.ad.jp. (
				2017020319 ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				3600000    ; expire (5 weeks 6 days 16 hours)
				3600       ; minimum (1 hour)
				)
www.tkc.or.jp.		30 IN CNAME tkc.or.jp.

tkc.or.jp.		30 IN TXT "v=spf1 a:www2334.sakura.ne.jp mx ~all"
www.tkc.or.jp.		30 IN CNAME tkc.or.jp.

tkc.or.jp.		30 IN A	112.78.125.174
www.tkc.or.jp.		30 IN CNAME tkc.or.jp.
www.tkc.or.jp.		30 IN CNAME tkc.or.jp.

Mail exchangers:
tkc.or.jp.		30 IN MX 10 tkc.or.jp.
www.tkc.or.jp.		30 IN CNAME tkc.or.jp.

Name servers:
tkc.or.jp.		30 IN NS ns2.dns.ne.jp.
tkc.or.jp.		30 IN NS ns1.dns.ne.jp.