web.id.			86400 IN SOA b.dns.id. hostmaster.pandi.or.id. (
				2018067038 ; serial
				28800      ; refresh (8 hours)
				7200       ; retry (2 hours)
				604800     ; expire (1 week)
				172800     ; minimum (2 days)
				)

Name servers:
web.id.			43200 IN NS b.dns.id.
web.id.			43200 IN NS e.dns.id.
web.id.			43200 IN NS d.dns.id.
web.id.			43200 IN NS c.dns.id.