Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: cal24.pl
class: IN
ttl: 300
type: A
ip: 49.12.122.77

Servidores DNS Principal (mname) y Secundario (rname)
host: cal24.pl
class: IN
ttl: 300
type: SOA
mname: ns1.cal.pl
rname: hostmaster.cal24.pl
serial: 2025111500
refresh: 300
retry: 3600
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: cal24.pl
class: IN
ttl: 300
type: MX
pri: 10
target: mail.cal24.pl

Información TXT
host: cal24.pl
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx ip4:49.12.122.77 include:_spf.cal.pl ip4:31.186.84.242 -all
entries: Array