rroi.net.		30 IN SOA ns1.rroi.net. root.rroi.net. (
				2017040223 ; serial
				1200       ; refresh (20 minutes)
				120        ; retry (2 minutes)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

rroi.net.		30 IN A	115.68.95.155

Mail exchangers:
rroi.net.		30 IN MX 10 mail.rroi.net.

Name servers:
rroi.net.		30 IN NS ns3.ivyro.net.
rroi.net.		30 IN NS ns2.ivyro.net.
rroi.net.		30 IN NS ns1.ivyro.net.