Registro DMARC
v=DMARC1; p=none; sp=none

Registro IPv4
host: opsneo.com
class: IN
ttl: 3093
type: A
ip: 164.138.210.36

Servidores DNS Principal (mname) y Secundario (rname)
host: opsneo.com
class: IN
ttl: 3093
type: SOA
mname: dns26.cyberneticos.com
rname: hostmaster.opsneo.com
serial: 2026070100
refresh: 3600
retry: 3600
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: opsneo.com
class: IN
ttl: 3094
type: MX
pri: 10
target: mail.opsneo.com

Información TXT
host: opsneo.com
class: IN
ttl: 3094
type: TXT
txt: v=spf1 a mx ip4:164.138.209.121  -all
entries: v=spf1 a mx ip4:164.138.209.121  -all