Registro IPv4
host: collegedirectory.com
class: IN
ttl: 3600
type: A
ip: 52.20.84.62

Servidores DNS Principal (mname) y Secundario (rname)
host: collegedirectory.com
class: IN
ttl: 3600
type: SOA
mname: ns1.atom.com
rname: hostmaster.collegedirectory.com
serial: 2025040201
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600