Registro DMARC
v=spf1 a mx -all

Registro IPv4
host: biz.tm
class: IN
ttl: 740
type: A
ip: 95.217.58.108

Servidores DNS Principal (mname) y Secundario (rname)
host: biz.tm
class: IN
ttl: 2902
type: SOA
mname: ns1.subdomain.net
rname: hostmaster.biz.tm
serial: 2021072304
refresh: 10800
retry: 1800
expire: 604800
minimum-ttl: 180

Información TXT
host: biz.tm
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx -all
entries: Array