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

Registro IPv4
host: britton-gallagher.net
class: IN
ttl: 300
type: A
ip: 172.67.131.183

Registro IPv4
host: britton-gallagher.net
class: IN
ttl: 300
type: A
ip: 104.21.10.199

Servidores DNS Principal (mname) y Secundario (rname)
host: britton-gallagher.net
class: IN
ttl: 1800
type: SOA
mname: brenna.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2387132777
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800