kctc.ir.		30 IN SOA ns1.kctc.ir. root.ns1.kctc.ir. (
				1583169257 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				38400      ; minimum (10 hours 40 minutes)
				)

kctc.ir.		30 IN TXT "v=spf1 a mx a:kctc.ir ip4:91.232.72.30
ip6:fe80::250:56ff:fe8a:8470 ?all"

kctc.ir.		30 IN A	91.232.72.30

Mail exchangers:
kctc.ir.		30 IN MX 5 mail.kctc.ir.

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