Registro IPv4
host: r3cgi-com.p30.mxthunder.net
class: IN
ttl: 900
type: A
ip: 216.172.106.26

Servidores DNS Principal (mname) y Secundario (rname)
host: r3cgi-com.p30.mxthunder.net
class: IN
ttl: 21600
type: SOA
mname: ns.dnsbox.net
rname: hostmaster.dnsbox.net
serial: 2019022112
refresh: 10000
retry: 3600
expire: 604800
minimum-ttl: 172800