Registro DMARC
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; fo=1; rua=mailto:coinbase@rua.netcraft.com; ruf=mailto:coinbase@ruf.netcraft.com;

Registro IPv4
host: pro.coinbase.com
class: IN
ttl: 135
type: A
ip: 104.18.37.145

Registro IPv4
host: pro.coinbase.com
class: IN
ttl: 135
type: A
ip: 172.64.150.111

Servidores DNS Principal (mname) y Secundario (rname)
host: pro.coinbase.com
class: IN
ttl: 1800
type: SOA
mname: beau.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2416769777
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Información TXT
host: pro.coinbase.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:amazonses.com include:_spf.google.com -all
entries: Array