Registro DMARC
v=DMARC1; p=quarantine; pct=100

Registro IPv4
host: itformula.ca
class: IN
ttl: 14400
type: A
ip: 199.212.143.40

Servidores DNS Principal (mname) y Secundario (rname)
host: itformula.ca
class: IN
ttl: 14400
type: SOA
mname: dns1.indieserve.net
rname: root.itformula.ca
serial: 3000000004
refresh: 14400
retry: 3600
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: itformula.ca
class: IN
ttl: 14400
type: MX
pri: 0
target: mail.itformula.ca

Información TXT
host: itformula.ca
class: IN
ttl: 14400
type: TXT
txt: v=spf1 a mx ip4:199.212.143.40 -all
entries: Array