Servidores DNS Principal (mname) y Secundario (rname)
host: sezn.ru
class: IN
ttl: 1800
type: SOA
mname: ken.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2404739855
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: sezn.ru
class: IN
ttl: 300
type: MX
pri: 10
target: mx.yandex.ru

Información TXT
host: sezn.ru
class: IN
ttl: 300
type: TXT
txt: v=spf1 redirect=_spf.yandex.ru
entries: Array