Registro DMARC
v=DMARC1; p=reject; ruf=mailto:postmaster@cstroy.ru; fo=0

Registro IPv4
host: cstroy.ru
class: IN
ttl: 3600
type: A
ip: 213.189.211.104

Servidores DNS Principal (mname) y Secundario (rname)
host: cstroy.ru
class: IN
ttl: 3600
type: SOA
mname: ns3-l2.nic.ru
rname: abuse.cstroy.ru
serial: 2019032601
refresh: 28800
retry: 7200
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: cstroy.ru
class: IN
ttl: 3600
type: MX
pri: 5
target: mail.cstroy.ru

Información TXT
host: cstroy.ru
class: IN
ttl: 3600
type: TXT
txt: mailru-verification: 2c401f1411e42f24
entries: Array

Información TXT
host: cstroy.ru
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx ip4:188.75.3.43 ~all
entries: Array

Información TXT
host: cstroy.ru
class: IN
ttl: 3600
type: TXT
txt: MS=5BFC5A4F560B6F9492ED5664A0790D7946CBBAFD
entries: Array