Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: professorltd.com
class: IN
ttl: 300
type: A
ip: 91.201.52.21

Servidores DNS Principal (mname) y Secundario (rname)
host: professorltd.com
class: IN
ttl: 300
type: SOA
mname: ns1.netangels.ru
rname: hostmaster.netangels.ru
serial: 1779469571
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: professorltd.com
class: IN
ttl: 300
type: MX
pri: 1
target: mx0.professorltd.com

Servidor de Correo
host: professorltd.com
class: IN
ttl: 300
type: MX
pri: 5
target: mx1.professorltd.com

Información TXT
host: professorltd.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 a include:netangels.ru ~all
entries: Array