Registro DMARC
v=spf1 -all

Registro IPv4
host: school.blog
class: IN
ttl: 600
type: A
ip: 192.0.78.31

Registro IPv4
host: school.blog
class: IN
ttl: 600
type: A
ip: 192.0.78.30

Servidores DNS Principal (mname) y Secundario (rname)
host: school.blog
class: IN
ttl: 21600
type: SOA
mname: ns1.automattic.com
rname: hostmaster.automattic.com
serial: 2023021300
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 86400

Información TXT
host: school.blog
class: IN
ttl: 14400
type: TXT
txt: v=spf1 -all
entries: Array