Registro DMARC
v=DMARC1; p=quarantine; aspf=s; adkim=r 

Registro IPv4
host: iessanjuanbosco.es
class: IN
ttl: 608
type: A
ip: 185.66.41.113

Servidores DNS Principal (mname) y Secundario (rname)
host: iessanjuanbosco.es
class: IN
ttl: 3308
type: SOA
mname: ns1.cdmon.net
rname: hostmaster.iessanjuanbosco.es
serial: 1
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: iessanjuanbosco.es
class: IN
ttl: 608
type: MX
pri: 1
target: ASPMX.L.GOOGLE.COM

Información TXT
host: iessanjuanbosco.es
class: IN
ttl: 608
type: TXT
txt: v=spf1 include:_spf.srv.cat include:_spf.google.com ~all
entries: Array