Registro IPv4
host: cff-expo.org
class: IN
ttl: 1200
type: A
ip: 202.172.28.197

Servidores DNS Principal (mname) y Secundario (rname)
host: cff-expo.org
class: IN
ttl: 1200
type: SOA
mname: ns1.value-domain.com
rname: hostmaster.cff-expo.org
serial: 2020082623
refresh: 3600
retry: 900
expire: 604800
minimum-ttl: 1200

Servidor de Correo
host: cff-expo.org
class: IN
ttl: 1200
type: MX
pri: 10
target: cff-expo.org

Información TXT
host: cff-expo.org
class: IN
ttl: 1200
type: TXT
txt: v=spf1 ip4:202.172.28.197 ~all
entries: Array