Registro DMARC
v=DMARC1; p=quarantine; adkim=s; aspf=s

Registro IPv4
host: classiguru.com
class: IN
ttl: 36736
type: A
ip: 67.225.138.29

Servidores DNS Principal (mname) y Secundario (rname)
host: classiguru.com
class: IN
ttl: 2560
type: SOA
mname: ns1.megriwebhosting.com
rname: hostmaster.classiguru.com
serial: 1711129384
refresh: 7200
retry: 300
expire: 1209600
minimum-ttl: 10800

Servidor de Correo
host: classiguru.com
class: IN
ttl: 36736
type: MX
pri: 10
target: mail.classiguru.com

Información TXT
host: classiguru.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx a:host.megriwebhosting.com ip4:67.225.138.29 include:_spf.google.com ~all
entries: Array