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

Registro IPv4
host: shrunken.com
class: IN
ttl: 134
type: A
ip: 157.90.66.230

Servidores DNS Principal (mname) y Secundario (rname)
host: shrunken.com
class: IN
ttl: 134
type: SOA
mname: ns21.kv.de
rname: technik.kv-gmbh.de
serial: 1749133680
refresh: 7200
retry: 2400
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: shrunken.com
class: IN
ttl: 135
type: MX
pri: 10
target: mxb.eu.mailgun.org

Servidor de Correo
host: shrunken.com
class: IN
ttl: 135
type: MX
pri: 10
target: mxa.eu.mailgun.org

Información TXT
host: shrunken.com
class: IN
ttl: 135
type: TXT
txt: v=spf1 include:mailgun.org ~all
entries: Array