Registro IPv4
host: worldsci.net
class: IN
ttl: 8514
type: A
ip: 162.144.22.57

Servidores DNS Principal (mname) y Secundario (rname)
host: worldsci.net
class: IN
ttl: 15714
type: SOA
mname: ns1.bluehost.com
rname: root.cs129.bluehost.com
serial: 2024120600
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 300

Servidor de Correo
host: worldsci.net
class: IN
ttl: 8514
type: MX
pri: 0
target: worldsci.net

Información TXT
host: worldsci.net
class: IN
ttl: 8514
type: TXT
txt: v=spf1 +a +mx +ip4:162.144.22.137 +ip4:162.144.22.57 +include:bluehost.com ~all
entries: Array