Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: usefulsystemsinc.com
class: IN
ttl: 90
type: A
ip: 195.200.9.109

Registro IPv4
host: usefulsystemsinc.com
class: IN
ttl: 90
type: A
ip: 89.116.109.222

Servidores DNS Principal (mname) y Secundario (rname)
host: usefulsystemsinc.com
class: IN
ttl: 1483
type: SOA
mname: hermes.dns-parking.com
rname: dns.hostinger.com
serial: 2026091001
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 600

Servidor de Correo
host: usefulsystemsinc.com
class: IN
ttl: 12283
type: MX
pri: 10
target: mx2.hostinger.com

Servidor de Correo
host: usefulsystemsinc.com
class: IN
ttl: 12283
type: MX
pri: 5
target: mx1.hostinger.com

Información TXT
host: usefulsystemsinc.com
class: IN
ttl: 1483
type: TXT
txt: v=spf1 include:_spf.mail.hostinger.com ~all
entries: Array

Registro IPv6
host: usefulsystemsinc.com
class: IN
ttl: 90
type: AAAA
ipv6: 2a02:4780:26:9f10:9bf3:1a7c:83e4:2e8a

Registro IPv6
host: usefulsystemsinc.com
class: IN
ttl: 90
type: AAAA
ipv6: 2a02:4780:34:2eaf:5a1c:a592:e3ce:f65c