Registro DMARC
v=DMARC1; p=reject; adkim=s; aspf=s

Registro IPv4
host: block.land
class: IN
ttl: 3600
type: A
ip: 198.74.57.5

Servidores DNS Principal (mname) y Secundario (rname)
host: block.land
class: IN
ttl: 3600
type: SOA
mname: ns1.linode.com
rname: block.land.pecon.us
serial: 2021000153
refresh: 14400
retry: 14400
expire: 1209600
minimum-ttl: 3600

Información TXT
host: block.land
class: IN
ttl: 3600
type: TXT
txt: v=spf1 -all
entries: Array