Registro DMARC
v=spf1 include:spf1.whoisworks.com ~all

Registro IPv4
host: sungshimsa.com
class: IN
ttl: 200
type: A
ip: 183.111.182.216

Servidores DNS Principal (mname) y Secundario (rname)
host: sungshimsa.com
class: IN
ttl: 1800
type: SOA
mname: sungshimsa.com
rname: postmaster.sungshimsa.com
serial: 20200730
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: sungshimsa.com
class: IN
ttl: 1800
type: MX
pri: 10
target: alf1.aspmx.whoisworks.com

Servidor de Correo
host: sungshimsa.com
class: IN
ttl: 1800
type: MX
pri: 10
target: alf2.aspmx.whoisworks.com

Servidor de Correo
host: sungshimsa.com
class: IN
ttl: 1800
type: MX
pri: 10
target: aspmx.whoisworks.com

Información TXT
host: sungshimsa.com
class: IN
ttl: 1800
type: TXT
txt: v=spf1 include:spf1.whoisworks.com ~all
entries: Array