Registro DMARC
v=DMARC1; p=reject

Registro IPv4
host: htmlvalidator.com
class: IN
ttl: 300
type: A
ip: 104.21.17.146

Registro IPv4
host: htmlvalidator.com
class: IN
ttl: 300
type: A
ip: 172.67.176.216

Servidores DNS Principal (mname) y Secundario (rname)
host: htmlvalidator.com
class: IN
ttl: 1800
type: SOA
mname: damon.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2403339692
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

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

Información TXT
host: htmlvalidator.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:50.116.31.253 ip4:141.226.140.0/22 ~all
entries: Array

Registro IPv6
host: htmlvalidator.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3031::ac43:b0d8

Registro IPv6
host: htmlvalidator.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3037::6815:1192