Registro DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Registro IPv4
host: zondervanpublishing.com
class: IN
ttl: 16948
type: A
ip: 99.83.176.46

Servidores DNS Principal (mname) y Secundario (rname)
host: zondervanpublishing.com
class: IN
ttl: 16947
type: SOA
mname: ns1.markmonitor.com
rname: hostmaster.markmonitor.com
serial: 2024102501
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 172800

Información TXT
host: zondervanpublishing.com
class: IN
ttl: 16947
type: TXT
txt: v=spf1 -all
entries: Array