Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: centrgroup.ru
class: IN
ttl: 300
type: A
ip: 37.230.117.84

Servidores DNS Principal (mname) y Secundario (rname)
host: centrgroup.ru
class: IN
ttl: 1800
type: SOA
mname: bill.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2357455557
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: centrgroup.ru
class: IN
ttl: 300
type: MX
pri: 10
target: mx1.improvmx.com

Servidor de Correo
host: centrgroup.ru
class: IN
ttl: 300
type: MX
pri: 20
target: mx2.improvmx.com

Información TXT
host: centrgroup.ru
class: IN
ttl: 300
type: TXT
txt: v=spf1 +a +mx include:spf.improvmx.com -all
entries: Array