Registro DMARC
v=DMARC1; p=quarantine

Registro IPv4
host: net-stroy.ru
class: IN
ttl: 3600
type: A
ip: 77.244.19.142

Servidores DNS Principal (mname) y Secundario (rname)
host: net-stroy.ru
class: IN
ttl: 3600
type: SOA
mname: ns6.ertelecom.ru
rname: noc.ertelecom.ru
serial: 2021100400
refresh: 86400
retry: 1800
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: net-stroy.ru
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.net-stroy.ru

Información TXT
host: net-stroy.ru
class: IN
ttl: 3600
type: TXT
txt: v=spf1+mx+a~all
entries: Array