Registro DMARC
v=DMARC1;p=quarantine;pct=25

Registro IPv4
host: shippingcontainersusa.com
class: IN
ttl: 300
type: A
ip: 52.71.180.49

Servidores DNS Principal (mname) y Secundario (rname)
host: shippingcontainersusa.com
class: IN
ttl: 223
type: SOA
mname: austin.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2415752255
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800