Registro DMARC
v=DMARC1; p=none; sp=none; pct=100; rua=mailto:sammy@isu.ru; ruf=mailto:sammy@isu.ru; fo=1

Registro IPv4
host: isu.ru
class: IN
ttl: 3600
type: A
ip: 194.190.238.182

Servidores DNS Principal (mname) y Secundario (rname)
host: isu.ru
class: IN
ttl: 3600
type: SOA
mname: ns.baikal.ru
rname: ilya.isu.runnet.ru
serial: 2025051601
refresh: 3600
retry: 600
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: isu.ru
class: IN
ttl: 3600
type: MX
pri: 10
target: gate.baikal.ru

Servidor de Correo
host: isu.ru
class: IN
ttl: 3600
type: MX
pri: 50
target: gate.isu.ru

Información TXT
host: isu.ru
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx include:_spf.isu.ru ~all
entries: Array

Información TXT
host: isu.ru
class: IN
ttl: 3600
type: TXT
txt: google-site-verification=k0p2AOY7a5DKwmc0Pmrn3TGGMNyPj5IYDdOKE-R1qNg
entries: Array