Registro DMARC
v=DMARC1;p=reject

Registro IPv4
host: opcionweb.com
class: IN
ttl: 12153
type: A
ip: 185.129.249.58

Servidores DNS Principal (mname) y Secundario (rname)
host: opcionweb.com
class: IN
ttl: 12153
type: SOA
mname: ns328.dnszonas.com
rname: webmaster.opcionweb.com
serial: 2025091908
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 10800

Servidor de Correo
host: opcionweb.com
class: IN
ttl: 12153
type: MX
pri: 10
target: mail.opcionweb.com

Información TXT
host: opcionweb.com
class: IN
ttl: 12153
type: TXT
txt: google-site-verification=N5YPgKwhLT17HRkw0eTSfORix4-cLoKey55WXJwfGgI
entries: Array

Información TXT
host: opcionweb.com
class: IN
ttl: 12153
type: TXT
txt: v=spf1 +a +mx +a:mail.opcionweb.com -all
entries: Array