Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email

Registro IPv4
host: www.juf.org
class: IN
ttl: 1200
type: A
ip: 38.115.144.4

host: juf.us
class: IN
ttl: 900
type: CNAME
target: www.juf.org