Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc-report@cdulib.ru; aspf=s; adkim=s

Registro IPv4
host: cdulib.ru
class: IN
ttl: 25459
type: A
ip: 109.248.42.247

Servidores DNS Principal (mname) y Secundario (rname)
host: cdulib.ru
class: IN
ttl: 25460
type: SOA
mname: ns1.reg.ru
rname: hostmaster.ns1.reg.ru
serial: 1771760352
refresh: 14400
retry: 3600
expire: 604800
minimum-ttl: 10800

Servidor de Correo
host: cdulib.ru
class: IN
ttl: 25460
type: MX
pri: 10
target: mx.profi-nk.ru

Servidor de Correo
host: cdulib.ru
class: IN
ttl: 25460
type: MX
pri: 25
target: mx.profi-nk.ru

Información TXT
host: cdulib.ru
class: IN
ttl: 25460
type: TXT
txt: v=spf1 ip4:109.248.42.0/24 ip4:195.78.49.0/24 ~all
entries: Array