Registro DMARC
v=DMARC1; p=none; rua=mailto:bet@ssarang188.com; pct=10;

Servidores DNS Principal (mname) y Secundario (rname)
host: ssarang188.com
class: IN
ttl: 1800
type: SOA
mname: elmo.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2352412385
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800