Registro DMARC
v=DMARC1; p=quarantine; sp=none; rf=afrf; pct=100; ri=86400

Registro IPv4
host: holding-construction.com
class: IN
ttl: 300
type: A
ip: 172.67.184.64

Registro IPv4
host: holding-construction.com
class: IN
ttl: 300
type: A
ip: 104.21.32.66

Servidores DNS Principal (mname) y Secundario (rname)
host: holding-construction.com
class: IN
ttl: 1800
type: SOA
mname: newt.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2416067524
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Información TXT
host: holding-construction.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 +a +mx +ip4:198.38.93.192 ~all
entries: Array