gretsa.com.gt.		30 IN SOA ns1.gretsa.com.gt. hostmaster.gretsa.com.gt. (
				2006091000 ; serial
				5400       ; refresh (1 hour 30 minutes)
				600        ; retry (10 minutes)
				1814400    ; expire (3 weeks)
				3600       ; minimum (1 hour)
				)

gretsa.com.gt.		30 IN TXT "v=spf1 mx -all"

gretsa.com.gt.		30 IN A	200.74.249.6

Mail exchangers:
gretsa.com.gt.		30 IN MX 10 mail.gretsa.com.gt.
gretsa.com.gt.		30 IN MX 20 mail2.gretsa.com.gt.

Name servers:
gretsa.com.gt.		30 IN NS ns2.gretsa.com.gt.
gretsa.com.gt.		30 IN NS ns1.gretsa.com.gt.