astec-eco.co.jp.	30 IN SOA ns1.cbsv.jp. hostmaster.astec-eco.co.jp. (
				2023040709 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

astec-eco.co.jp.	30 IN TXT "v=spf1 ip4: 183.90.180.201 include:_spf.cbsv.jp
~all"

astec-eco.co.jp.	30 IN A	183.90.180.201

Mail exchangers:
astec-eco.co.jp.	30 IN MX 20 astec-eco.co.jp.
astec-eco.co.jp.	30 IN MX 10 mail.astec-eco.co.jp.

Name servers:
astec-eco.co.jp.	30 IN NS ns2.cbsv.jp.
astec-eco.co.jp.	30 IN NS ns1.cbsv.jp.