nsbi.ir.		30 IN SOA ns1.nsbi.ir. admin.nsbi.ir. (
				2026043001 ; serial
				7200       ; refresh (2 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				180        ; minimum (3 minutes)
				)

nsbi.ir.		30 IN A	193.151.145.36

Mail exchangers:
nsbi.ir.		30 IN MX 10 mail.nsbi.ir.

Name servers:
nsbi.ir.		30 IN NS ns1.nsbi.ir.
nsbi.ir.		30 IN NS ns2.nsbi.ir.