t-bell.jp.		30 IN SOA ns1.value-domain.com. hostmaster.t-bell.jp. (
				2020111720 ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

t-bell.jp.		30 IN TXT "v=spf1 ip4:183.90.183.28 include:mxr.valueserver.jp ~all"

t-bell.jp.		30 IN A	183.90.183.28

Mail exchangers:
t-bell.jp.		30 IN MX 10 t-bell.jp.

Name servers:
t-bell.jp.		30 IN NS ns1.value-domain.com.
t-bell.jp.		30 IN NS ns2.value-domain.com.