Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc@iso.pl; ruf=mailto:dmarc@iso.pl; fo=1

Registro IPv4
host: iso.pl
class: IN
ttl: 71029
type: A
ip: 91.206.7.101

Servidores DNS Principal (mname) y Secundario (rname)
host: iso.pl
class: IN
ttl: 900
type: SOA
mname: ns-1632.awsdns-12.co.uk
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400