Registro IPv4
host: 877chicago.com
class: IN
ttl: 600
type: A
ip: 37.48.65.150

Servidores DNS Principal (mname) y Secundario (rname)
host: 877chicago.com
class: IN
ttl: 600
type: SOA
mname: ns1.commonmx.com
rname: admin.877chicago.com
serial: 2025051905
refresh: 86400
retry: 10800
expire: 604800
minimum-ttl: 300