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

Registro IPv4
host: snlsoftwaresolutions.com
class: IN
ttl: 3600
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: snlsoftwaresolutions.com
class: IN
ttl: 600
type: SOA
mname: nsuse01.spglobal.com
rname: hostmaster.spglobal.com
serial: 2020060506
refresh: 14400
retry: 7200
expire: 2592000
minimum-ttl: 300