Registro DMARC
v=DMARC1;p=quarantine;rua=mailto:dmarcreports@exercism.org

Registro IPv4
host: exercism.org
class: IN
ttl: 90
type: A
ip: 18.154.41.55

Registro IPv4
host: exercism.org
class: IN
ttl: 90
type: A
ip: 18.154.41.113

Registro IPv4
host: exercism.org
class: IN
ttl: 90
type: A
ip: 18.154.41.29

Registro IPv4
host: exercism.org
class: IN
ttl: 90
type: A
ip: 18.154.41.50

Servidores DNS Principal (mname) y Secundario (rname)
host: exercism.org
class: IN
ttl: 900
type: SOA
mname: ns-612.awsdns-12.net
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: exercism.org
class: IN
ttl: 300
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: exercism.org
class: IN
ttl: 300
type: MX
pri: 10
target: alt3.aspmx.l.google.com

Servidor de Correo
host: exercism.org
class: IN
ttl: 300
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: exercism.org
class: IN
ttl: 300
type: MX
pri: 10
target: alt4.aspmx.l.google.com

Servidor de Correo
host: exercism.org
class: IN
ttl: 300
type: MX
pri: 1
target: aspmx.l.google.com

Información TXT
host: exercism.org
class: IN
ttl: 300
type: TXT
txt: google-site-verification=x00E1pZHv-2S6FRc7KaDUZ5xCar3uQvHf8s7gfrJwBQ
entries: Array

Información TXT
host: exercism.org
class: IN
ttl: 300
type: TXT
txt: brave-ledger-verification=8fb9494db5d0412cfde0be6819ca03b245837f1c2a96add9238776857bdf6a02
entries: Array

Información TXT
host: exercism.org
class: IN
ttl: 300
type: TXT
txt: google-site-verification=TRv98iiuT7WJlVYOU3wAULbBaDUgr3nCjoNDQdWjRFY
entries: Array

Información TXT
host: exercism.org
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:_spf.google.com include:one.zoho.jp include:amazonses.com ~all
entries: Array