Registro DMARC
v=DMARC1; p=none; rua=mailto:4e4c759d@mxtoolbox.dmarc-report.com; ruf=mailto:4e4c759d@forensics.dmarc-report.com; fo=1

Registro IPv4
host: fstfilters.com
class: IN
ttl: 14400
type: A
ip: 108.175.15.88

Servidores DNS Principal (mname) y Secundario (rname)
host: fstfilters.com
class: IN
ttl: 86400
type: SOA
mname: ns1.whc.ca
rname: sysadmin-internal.whc.ca
serial: 2024061104
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: fstfilters.com
class: IN
ttl: 3600
type: MX
pri: 30
target: mx3.web-dns1.com

Servidor de Correo
host: fstfilters.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mx1.web-dns1.com

Servidor de Correo
host: fstfilters.com
class: IN
ttl: 3600
type: MX
pri: 20
target: mx2.web-dns1.com

Información TXT
host: fstfilters.com
class: IN
ttl: 14400
type: TXT
txt: v=spf1 a:spf.web-dns1.com -all
entries: Array