Registro DMARC
v=DMARC1;p=reject;pct=100;fo=1;ruf=mailto:dmarc_afrf@auth.returnpath.net;rua=mailto:dmarc_agg@auth.returnpath.net

Registro IPv4
host: dnb.com
class: IN
ttl: 20
type: A
ip: 23.223.80.239

Servidores DNS Principal (mname) y Secundario (rname)
host: dnb.com
class: IN
ttl: 1800
type: SOA
mname: primaryns.dnb.com
rname: dnsadmin.dnb.com
serial: 2021083009
refresh: 1200
retry: 600
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: dnb.com
class: IN
ttl: 300
type: MX
pri: 0
target: dnb-com.mail.protection.outlook.com

Información TXT
host: dnb.com
class: IN
ttl: 60
type: TXT
txt: v=spf1 ip4:159.137.80.91 ip4:159.137.90.91 ip4:72.19.252.170 ip4:220.130.152.173 ip4:204.92.22.200/30 ip4:12.129.29.143 ip4:158.151.208.120/24 ip4:158.151.214.66/28 ip4:165.193.97.93 ip4:72.14.161.10/31 ip4:158.106.68.11 ip4:205.216.45.11 ip4:209.112.4.10/31 ip4:209.66.117.11 ip4:209.123.45.224 include:spf.protection.outlook.com include:sendgrid.net include:_spf.salesforce.com -all
entries: Array

Información TXT
host: dnb.com
class: IN
ttl: 60
type: TXT
txt: atlassian-domain-verification=owQCWYzgP3scaCY15u2L4MqN2a/Lda353UApAv4cEJPKscnJmVDwKlOkdpSAKnXa
entries: Array