Registro IPv4
host: Graph.org
class: IN
ttl: 600
type: A
ip: 149.154.164.13

Servidores DNS Principal (mname) y Secundario (rname)
host: Graph.org
class: IN
ttl: 600
type: SOA
mname: pdns13.domaincontrol.com
rname: dns.jomax.net
serial: 2021102801
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600