Registro DMARC
v=spf1 include:spf.protection.outlook.com -all

Registro IPv4
host: dseserve.com
class: IN
ttl: 7200
type: A
ip: 52.7.44.27

Servidores DNS Principal (mname) y Secundario (rname)
host: dseserve.com
class: IN
ttl: 7200
type: SOA
mname: NS13.WORLDNIC.com
rname: namehost\@WORLDNIC.com
serial: 124121708
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600