Registro DMARC
v=spf1 ip4:211.34.104.37 ~all

Registro IPv4
host: jetsystem21c.com
class: IN
ttl: 1800
type: A
ip: 183.111.182.209

host: postmaster.jetsystem21c.com
class: IN
ttl: 1341
type: CNAME
target: jetsystem21c.com

Servidores DNS Principal (mname) y Secundario (rname)
host: jetsystem21c.com
class: IN
ttl: 1800
type: SOA
mname: jetsystem21c.com
rname: postmaster.jetsystem21c.com
serial: 20200506
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: jetsystem21c.com
class: IN
ttl: 1800
type: MX
pri: 10
target: rmw-002.fmcity.com

Información TXT
host: jetsystem21c.com
class: IN
ttl: 1800
type: TXT
txt: v=spf1 ip4:211.34.104.37 ~all
entries: Array