Registro IPv4
host: teachersfirst.com
class: IN
ttl: 600
type: A
ip: 66.39.72.229

Servidores DNS Principal (mname) y Secundario (rname)
host: teachersfirst.com
class: IN
ttl: 600
type: SOA
mname: ns2.ncisystems.com
rname: dns.ncisystems.com
serial: 2025063000
refresh: 1200
retry: 900
expire: 1209600
minimum-ttl: 14400

Servidor de Correo
host: teachersfirst.com
class: IN
ttl: 600
type: MX
pri: 10
target: mail.teachersfirst.com

Información TXT
host: teachersfirst.com
class: IN
ttl: 600
type: TXT
txt: google-site-verification=Jv49BJrb4pwMmI3fYB4NE3CRK_NZjMO_4eYH3hZhhxA
entries: Array