Registro DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:dmarc_agg@dmarc.everest.email;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com,mailto:dmarc_fr@dmarc.everest.email

Registro IPv4
host: pfizerpro.com
class: IN
ttl: 300
type: A
ip: 172.64.148.45

Registro IPv4
host: pfizerpro.com
class: IN
ttl: 300
type: A
ip: 104.18.39.211

Servidores DNS Principal (mname) y Secundario (rname)
host: pfizerpro.com
class: IN
ttl: 300
type: SOA
mname: ns1.p201.dns.oraclecloud.net
rname: hostmaster.pfizerpro.com
serial: 214
refresh: 3600
retry: 600
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: pfizerpro.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mxa.mailgun.org

Servidor de Correo
host: pfizerpro.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mxb.mailgun.org

Información TXT
host: pfizerpro.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx include:_spf.pfizer.com include:mailgun.org -all
entries: Array

Información TXT
host: pfizerpro.com
class: IN
ttl: 3600
type: TXT
txt: google-site-verification=Zdrl_zy5BmCHI9D6td2YCRgkSRNQQpA3-u1nXgbGPtE
entries: Array

Registro IPv6
host: pfizerpro.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:4400::6812:27d3

Registro IPv6
host: pfizerpro.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:4400::ac40:942d