Registro DMARC
v=DMARC1; p=quarantine

Registro IPv4
host: agsystem.pl
class: IN
ttl: 3600
type: A
ip: 62.121.136.19

Servidores DNS Principal (mname) y Secundario (rname)
host: agsystem.pl
class: IN
ttl: 3600
type: SOA
mname: ns1.ceti.pl
rname: dns.tech.ceti.pl
serial: 2026071601
refresh: 10800
retry: 3600
expire: 1209600
minimum-ttl: 10800

Servidor de Correo
host: agsystem.pl
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.agsystem.pl

Información TXT
host: agsystem.pl
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx include:_spf.ceti.pl include:spf.webd.pl ~all
entries: Array