Registro DMARC
v=DMARC1; p=quarantine

Registro IPv4
host: laboratoriodentalantoniocastro.es
class: IN
ttl: 3653
type: A
ip: 188.245.53.10

Servidores DNS Principal (mname) y Secundario (rname)
host: laboratoriodentalantoniocastro.es
class: IN
ttl: 1800
type: SOA
mname: kate.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2415189753
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: laboratoriodentalantoniocastro.es
class: IN
ttl: 13585
type: MX
pri: 10
target: mail.protonmail.ch

Servidor de Correo
host: laboratoriodentalantoniocastro.es
class: IN
ttl: 13585
type: MX
pri: 20
target: mailsec.protonmail.ch

Información TXT
host: laboratoriodentalantoniocastro.es
class: IN
ttl: 13585
type: TXT
txt: v=spf1 include:_spf.protonmail.ch ~all
entries: Array

Información TXT
host: laboratoriodentalantoniocastro.es
class: IN
ttl: 13585
type: TXT
txt: protonmail-verification=66f140f9cc1d93b3d1b857b179eab8729154f592
entries: Array