Registro DMARC
v=DMARC1;p=quarantine;sp=quarantine;pct=25;rua=mailto:dmarc@cklass.com;ruf=mailto:popmaster@cklass.com;ri=3600;aspf=r;adkim=r;fo=0;

Registro IPv4
host: cklass.com
class: IN
ttl: 300
type: A
ip: 23.227.38.65

Servidores DNS Principal (mname) y Secundario (rname)
host: cklass.com
class: IN
ttl: 1800
type: SOA
mname: kirk.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2416015087
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: cklass.com
class: IN
ttl: 3600
type: MX
pri: 1
target: smtp.google.com

Información TXT
host: cklass.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=Tz3M2sOsPA9ka2QG-gnEnQWKdvctalqej9F0ptz3C94
entries: Array

Información TXT
host: cklass.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:_spf.google.com ~all
entries: Array