cifu.com.br.		30 IN SOA a.sec.dns.br. hostmaster.registro.br. (
				2024363000 ; serial
				86400      ; refresh (1 day)
				900        ; retry (15 minutes)
				604800     ; expire (1 week)
				900        ; minimum (15 minutes)
				)

Name servers:
cifu.com.br.		30 IN NS c.sec.dns.br.
cifu.com.br.		30 IN NS a.sec.dns.br.