Registro IPv4
host: thebaltimoremarathon.com
class: IN
ttl: 900
type: A
ip: 3.210.12.204

Servidores DNS Principal (mname) y Secundario (rname)
host: thebaltimoremarathon.com
class: IN
ttl: 7200
type: SOA
mname: DNS101.REGISTER.com
rname: root.REGISTER.com
serial: 125081707
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600