Registro DMARC
v=DMARC1; p=reject; aspf=s; adkim=s;

Registro IPv4
host: coretek.ru
class: IN
ttl: 300
type: A
ip: 185.49.69.151

Servidores DNS Principal (mname) y Secundario (rname)
host: coretek.ru
class: IN
ttl: 1800
type: SOA
mname: pete.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2356800666
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: coretek.ru
class: IN
ttl: 900
type: MX
pri: 1
target: host.coretek.contact

Información TXT
host: coretek.ru
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx ip4:185.49.68.72/32 a:host.coretek.contact -all
entries: Array