Registro DMARC
v=DMARC1; p=quarantine; sp=none; pct=100; ri=86400

Registro IPv4
host: isti.com.mx
class: IN
ttl: 14400
type: A
ip: 162.240.159.105

Servidores DNS Principal (mname) y Secundario (rname)
host: isti.com.mx
class: IN
ttl: 62492
type: SOA
mname: ns1.apidatacloud.com.mx
rname: yair\.loera.apidata.com.mx
serial: 2025052201
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: isti.com.mx
class: IN
ttl: 14400
type: MX
pri: 0
target: mail.isti.com.mx

Información TXT
host: isti.com.mx
class: IN
ttl: 14400
type: TXT
txt: v=spf1 +a +mx +ip4:162.240.159.105 ~all
entries: Array