Registro DMARC
v=spf1 a:dns.laser-vision-correction.com ~all

Servidores DNS Principal (mname) y Secundario (rname)
host: laser-vision-correction.com
class: IN
ttl: 3600
type: SOA
mname: dns.laser-vision-correction.com
rname: hostmaster.laser-vision-correction.com
serial: 1976958391
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: laser-vision-correction.com
class: IN
ttl: 3600
type: MX
pri: 0
target: mx.laser-vision-correction.com

Información TXT
host: laser-vision-correction.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a:dns.laser-vision-correction.com ~all
entries: Array

Registro IPv6
host: laser-vision-correction.com
class: IN
ttl: 3600
type: AAAA
ipv6: 2001:41d0:602:c94:48e3:e285:6b80:8655