iop.bg.			30 IN SOA redirns1.bgdns.net. hostmaster.superhosting.bg. (
				2018022707 ; serial
				3600       ; refresh (1 hour)
				1800       ; retry (30 minutes)
				2419200    ; expire (4 weeks)
				3600       ; minimum (1 hour)
				)

iop.bg.			30 IN TXT "v=spf1 +a +mx +ip4:212.72.212.172 ~all"

iop.bg.			30 IN A	212.72.212.172

Mail exchangers:
iop.bg.			30 IN MX 10 bgregistar.com.

Name servers:
iop.bg.			30 IN NS redirns2.bgdns.net.
iop.bg.			30 IN NS redirns1.bgdns.net.