Registro DMARC
v=DMARC1; p=reject

Registro IPv4
host: guideline.org
class: IN
ttl: 900
type: A
ip: 217.19.248.132

Servidores DNS Principal (mname) y Secundario (rname)
host: guideline.org
class: IN
ttl: 21600
type: SOA
mname: dns1.idp365.net
rname: hostmaster.idp365.net
serial: 2023052301
refresh: 28800
retry: 1800
expire: 604800
minimum-ttl: 3600

Información TXT
host: guideline.org
class: IN
ttl: 900
type: TXT
txt: v=spf1 -all
entries: Array