Registro DMARC
v=DMARC1; p=reject; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;

Registro IPv4
host: leaseback.com
class: IN
ttl: 3600
type: A
ip: 198.202.211.1

Servidores DNS Principal (mname) y Secundario (rname)
host: leaseback.com
class: IN
ttl: 1800
type: SOA
mname: aaden.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2393930598
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800