Registro DMARC
v=DMARC1;pct=100;p=reject;rua=mailto:SpamNotifications@ccfi.com;ruf=mailto:SpamNotifications@ccfi.com

Registro IPv4
host: efectivocentral.com
class: IN
ttl: 300
type: A
ip: 141.8.225.31

Servidores DNS Principal (mname) y Secundario (rname)
host: efectivocentral.com
class: IN
ttl: 900
type: SOA
mname: ns-56.awsdns-07.com
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Información TXT
host: efectivocentral.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 -all
entries: Array