Registro IPv4
host: chicagoboardoptionsexchange.biz
class: IN
ttl: 600
type: A
ip: 3.33.130.190

Servidores DNS Principal (mname) y Secundario (rname)
host: chicagoboardoptionsexchange.biz
class: IN
ttl: 3600
type: SOA
mname: ns01.gcd-dns.com
rname: dns.jomax.net
serial: 2025100203
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600