Registro DMARC
v=DMARC1; p=none; rua=mailto:me@itstula.com

Registro IPv4
host: itstula.com
class: IN
ttl: 3600
type: A
ip: 91.132.48.93

Servidores DNS Principal (mname) y Secundario (rname)
host: itstula.com
class: IN
ttl: 3600
type: SOA
mname: hosting.reg.ru
rname: me.itstula.com
serial: 2026100606
refresh: 3600
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: itstula.com
class: IN
ttl: 3600
type: MX
pri: 10
target: itstula.com

Información TXT
host: itstula.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf.dashasender.ru ~all
entries: Array