Registro DMARC
v=DMARC1; p=reject; adkim=s; aspf=s; rua=mailto:20ad9b0aec04632@rep.dmarcanalyzer.com; ruf=mailto:20ad9b0aec04632@for.dmarcanalyzer.com; fo=1;

Servidores DNS Principal (mname) y Secundario (rname)
host: cecinsurance.com
class: IN
ttl: 7200
type: SOA
mname: NS67.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 122032513
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Información TXT
host: cecinsurance.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_netblocks.mimecast.com -all
entries: Array