Registro IPv4
host: corp-webmail.com
class: IN
ttl: 300
type: A
ip: 223.29.248.100

Servidores DNS Principal (mname) y Secundario (rname)
host: corp-webmail.com
class: IN
ttl: 1800
type: SOA
mname: gabe.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2369776242
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: corp-webmail.com
class: IN
ttl: 120
type: MX
pri: 10
target: mx.corp-webmail.com

Información TXT
host: corp-webmail.com
class: IN
ttl: 120
type: TXT
txt: v=spf1 include:_spf.abchk.net -all
entries: Array