Registro DMARC
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:dmarc-receiver@habramail.net; ri=86400;

Registro IPv4
host: career.habr.com
class: IN
ttl: 3484
type: A
ip: 178.248.233.33

Servidor de Correo
host: career.habr.com
class: IN
ttl: 21600
type: MX
pri: 10
target: mxs.habramail.net

Información TXT
host: career.habr.com
class: IN
ttl: 21600
type: TXT
txt: v=spf1 include:spf.habramail.net include:mailgun.org include:servers.mcsv.net include:_spf.dashasender.ru -all
entries: Array