Registro DMARC
v=DMARC1; p=none; pct=100;  adkim=s; aspf=s

Registro IPv4
host: siscotel.com.mx
class: IN
ttl: 11082
type: A
ip: 74.208.133.126

Servidores DNS Principal (mname) y Secundario (rname)
host: siscotel.com.mx
class: IN
ttl: 831
type: SOA
mname: robin.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2413169268
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: siscotel.com.mx
class: IN
ttl: 11082
type: MX
pri: 10
target: mail.siscotel.com.mx

Información TXT
host: siscotel.com.mx
class: IN
ttl: 11082
type: TXT
txt: v=spf1 ip4:74.208.133.126 +a +mx +a:srv1.siscohost.net ~all
entries: Array