shtk.ir.		30 IN SOA ns1.shtk.ir. admin.shtk.ir. (
				2022010601 ; serial
				7200       ; refresh (2 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				180        ; minimum (3 minutes)
				)

shtk.ir.		30 IN A	185.81.99.69

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

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