Registro IPv4
host: biz.rr.com
class: IN
ttl: 3600
type: A
ip: 208.55.19.121

Servidores DNS Principal (mname) y Secundario (rname)
host: biz.rr.com
class: IN
ttl: 21600
type: SOA
mname: aB.ns.charter.com
rname: hostmaster.charter.com
serial: 2021102943
refresh: 86400
retry: 3600
expire: 3600000
minimum-ttl: 172800

Servidor de Correo
host: biz.rr.com
class: IN
ttl: 7200
type: MX
pri: 10
target: mx2.biz.rr.com

Servidor de Correo
host: biz.rr.com
class: IN
ttl: 7200
type: MX
pri: 10
target: mx1.biz.rr.com

Información TXT
host: biz.rr.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx include:_spf.twcbc.com ~all
entries: Array