Registro DMARC
v=spf1 -all

Registro IPv4
host: estimating.bid
class: IN
ttl: 600
type: A
ip: 172.234.25.151

Servidores DNS Principal (mname) y Secundario (rname)
host: estimating.bid
class: IN
ttl: 3600
type: SOA
mname: dns101.registrar-servers.com
rname: hostmaster.parklogic.com
serial: 2021051901
refresh: 7200
retry: 2400
expire: 604800
minimum-ttl: 600