Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;fo=1

Registro IPv4
host: sitereadyms.com
class: IN
ttl: 600
type: A
ip: 184.168.131.241

Servidores DNS Principal (mname) y Secundario (rname)
host: sitereadyms.com
class: IN
ttl: 3600
type: SOA
mname: dns1.cscdns.net
rname: hostmaster.cscdns.net
serial: 2020100607
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 3600