siua.ac.cr.		30 IN SOA ns.siua.ac.cr. admin.siua.ac.cr. (
				2025101001 ; serial
				43200      ; refresh (12 hours)
				600        ; retry (10 minutes)
				1209600    ; expire (2 weeks)
				72000      ; minimum (20 hours)
				)

siua.ac.cr.		30 IN TXT "v=spf1 mx a ip4:201.204.76.213/32 a:correo.siua.ac.cr
-all"
siua.ac.cr.		30 IN TXT "v=spf2.0/mfrom,pra a mx include:siua.ac.cr -all"

siua.ac.cr.		30 IN A	201.204.76.209

Mail exchangers:
siua.ac.cr.		30 IN MX 10 correo.siua.ac.cr.

Name servers:
siua.ac.cr.		30 IN NS ns4.siua.ac.cr.
siua.ac.cr.		30 IN NS ns2.siua.ac.cr.
siua.ac.cr.		30 IN NS ns.siua.ac.cr.