Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: marketfirstusa.com
class: IN
ttl: 21600
type: A
ip: 23.227.38.68

Servidores DNS Principal (mname) y Secundario (rname)
host: marketfirstusa.com
class: IN
ttl: 21600
type: SOA
mname: ns-cloud-d1.googledomains.com
rname: cloud-dns-hostmaster.google.com
serial: 1
refresh: 21600
retry: 3600
expire: 259200
minimum-ttl: 300

Registro IPv6
host: marketfirstusa.com
class: IN
ttl: 21600
type: AAAA
ipv6: 2620:127:f00f:8::