synet.jp.		30 IN SOA ns1.sannichi-ybs.co.jp. admin.sannichi-ybs.co.jp. (
				2024122601 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

synet.jp.		30 IN TXT "v=spf1 +ip4:202.227.66.0/24 ~all"

synet.jp.		30 IN A	202.227.66.48

Mail exchangers:
synet.jp.		30 IN MX 20 mailgw01.sannichi-ybs.co.jp.
synet.jp.		30 IN MX 30 mailgw02.sannichi-ybs.co.jp.

Name servers:
synet.jp.		30 IN NS ns2.sannichi-ybs.co.jp.
synet.jp.		30 IN NS ns1.sannichi-ybs.co.jp.