Registro DMARC
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;

Servidores DNS Principal (mname) y Secundario (rname)
host: poolnyard.com
class: IN
ttl: 3600
type: SOA
mname: ns53.domaincontrol.com
rname: dns.jomax.net
serial: 2026051605
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600

Información TXT
host: poolnyard.com
class: IN
ttl: 3600
type: TXT
txt: 3ec0f55135afe4ec626ed968ab24d7ed2dce1ed6
entries: Array