Registro DMARC
v=spf1 include:mailgun.org ~all

Registro IPv4
host: Herworld-S-School.Teachable.com
class: IN
ttl: 300
type: A
ip: 104.17.83.54

Registro IPv4
host: Herworld-S-School.Teachable.com
class: IN
ttl: 300
type: A
ip: 104.17.82.54

Información TXT
host: Herworld-S-School.Teachable.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:mailgun.org ~all
entries: Array

Registro IPv6
host: Herworld-S-School.Teachable.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700::6811:5236

Registro IPv6
host: Herworld-S-School.Teachable.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700::6811:5336