Registro DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Servidores DNS Principal (mname) y Secundario (rname)
host: instantlinc.com
class: IN
ttl: 21600
type: SOA
mname: southern1.scsnet.com
rname: iripadsv.southernco.com
serial: 2025061302
refresh: 21600
retry: 900
expire: 2592000
minimum-ttl: 28800

Información TXT
host: instantlinc.com
class: IN
ttl: 21600
type: TXT
txt: v=spf1 redirect=spf-disabled.southernco.com
entries: Array