koba.to.		30 IN SOA ns1.value-domain.com. hostmaster.koba.to. (
				2020082620 ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				604800     ; expire (1 week)
				1200       ; minimum (20 minutes)
				)

koba.to.		30 IN TXT "v=spf1 ip4:202.172.28.28 ~all"

koba.to.		30 IN A	202.172.28.28

Mail exchangers:
koba.to.		30 IN MX 10 koba.to.

Name servers:
koba.to.		30 IN NS ns1.value-domain.com.
koba.to.		30 IN NS ns2.value-domain.com.