slack77.net.		30 IN SOA ns1.value-domain.com. hostmaster.slack77.net. (
				2020082618 ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				604800     ; expire (1 week)
				1200       ; minimum (20 minutes)
				)

slack77.net.		30 IN TXT "v=spf1 +a:s30.coreserver.jp include:_spf.google.com
~alll"

slack77.net.		30 IN A	202.172.28.31

Mail exchangers:
slack77.net.		30 IN MX 30 alt2.aspmx.l.google.com.
slack77.net.		30 IN MX 70 aspmx5.googlemail.com.
slack77.net.		30 IN MX 40 aspmx2.googlemail.com.
slack77.net.		30 IN MX 20 alt1.aspmx.l.google.com.
slack77.net.		30 IN MX 10 aspmx.l.google.com.
slack77.net.		30 IN MX 60 aspmx4.googlemail.com.
slack77.net.		30 IN MX 50 aspmx3.googlemail.com.

Name servers:
slack77.net.		30 IN NS ns2.value-domain.com.
slack77.net.		30 IN NS ns1.value-domain.com.