Registro DMARC
v=DMARC1; p=none; aspf=r; adkim=r;

Registro IPv4
host: seisa.com.gt
class: IN
ttl: 21600
type: A
ip: 34.174.111.23

Servidores DNS Principal (mname) y Secundario (rname)
host: seisa.com.gt
class: IN
ttl: 14400
type: SOA
mname: ns1.siteground.net
rname: admins.siteground.com
serial: 137
refresh: 10800
retry: 3600
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: seisa.com.gt
class: IN
ttl: 21600
type: MX
pri: 0
target: seisa-com-gt.mail.protection.outlook.com

Información TXT
host: seisa.com.gt
class: IN
ttl: 14400
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array