isokawa.net.		30 IN SOA ns1.value-domain.com. hostmaster.isokawa.net. (
				2020082623 ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				604800     ; expire (1 week)
				1200       ; minimum (20 minutes)
				)

isokawa.net.		30 IN A	210.156.172.22

Mail exchangers:
isokawa.net.		30 IN MX 10 mx.isokawa.net.

Name servers:
isokawa.net.		30 IN NS ns1.value-domain.com.
isokawa.net.		30 IN NS ns2.value-domain.com.