Registro DMARC
v=DMARC1; p=reject; sp=reject; rua=mailto:noreply@b2bco.com; adkim=s; aspf=s

Registro IPv4
host: b2bco.com
class: IN
ttl: 300
type: A
ip: 172.67.220.157

Registro IPv4
host: b2bco.com
class: IN
ttl: 300
type: A
ip: 104.21.78.116

Servidores DNS Principal (mname) y Secundario (rname)
host: b2bco.com
class: IN
ttl: 1800
type: SOA
mname: jewel.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2412377082
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: b2bco.com
class: IN
ttl: 300
type: MX
pri: 10
target: mail.b2bco.com

Información TXT
host: b2bco.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=7r3l65reeQhCVR0Y6sAFMK0QluxqEQUZ_CHsaO1_S2s
entries: Array

Información TXT
host: b2bco.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 a:mail.b2bco.com -all
entries: Array

Registro IPv6
host: b2bco.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3037::ac43:dc9d

Registro IPv6
host: b2bco.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3037::6815:4e74