Registro DMARC
v=DMARC1;p=none;fo=1;rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;

Registro IPv4
host: facturacion.banregio.com
class: IN
ttl: 10
type: A
ip: 38.86.34.190

Servidores DNS Principal (mname) y Secundario (rname)
host: facturacion.banregio.com
class: IN
ttl: 10
type: SOA
mname: nsext1y2.regional.mx
rname: please_set_email.absolutely.nowhere
serial: 34
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 900

Información TXT
host: facturacion.banregio.com
class: IN
ttl: 10
type: TXT
txt: v=spf1 a mx ip4:65.99.234.92/32 ~all
entries: Array