nagoya.sc.		30 IN SOA ns1.cbsv.jp. hostmaster.nagoya.sc. (
				2023031801 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

nagoya.sc.		30 IN TXT "v=spf1 ip4: 183.90.180.201 include:_spf.cbsv.jp ~all"

nagoya.sc.		30 IN A	183.90.180.201

Mail exchangers:
nagoya.sc.		30 IN MX 10 mail.nagoya.sc.
nagoya.sc.		30 IN MX 20 nagoya.sc.

Name servers:
nagoya.sc.		30 IN NS ns2.cbsv.jp.
nagoya.sc.		30 IN NS ns1.cbsv.jp.