Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email

Registro IPv4
host: ffc.edu.vn
class: IN
ttl: 3600
type: A
ip: 185.230.63.171

Registro IPv4
host: ffc.edu.vn
class: IN
ttl: 3600
type: A
ip: 185.230.63.186

Registro IPv4
host: ffc.edu.vn
class: IN
ttl: 3600
type: A
ip: 185.230.63.107

Servidores DNS Principal (mname) y Secundario (rname)
host: ffc.edu.vn
class: IN
ttl: 3600
type: SOA
mname: ns13.wixdns.net
rname: support.wix.com
serial: 2024080804
refresh: 10800
retry: 3600
expire: 1209600
minimum-ttl: 3600