Registro DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:rua@k9d.onstub.com

Servidores DNS Principal (mname) y Secundario (rname)
host: onstub.com
class: IN
ttl: 1800
type: SOA
mname: brett.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2419249797
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Información TXT
host: onstub.com
class: IN
ttl: 86400
type: TXT
txt: adobe-idp-site-verification=J9HJkmlAgwIZ8aWR0WncbB8jnq86DY58cQ3TtLXRyEe7RKX83a42DkXd4vYZfAEUx
entries: 

Información TXT
host: onstub.com
class: IN
ttl: 86400
type: TXT
txt: dropbox-domain-verification=AZferidiWtMK1
entries: