Servidores DNS Principal (mname) y Secundario (rname)
host: criticalsearches.com
class: IN
ttl: 3601
type: SOA
mname: dns1.registrar-servers.com
rname: hostmaster.registrar-servers.com
serial: 1776782416
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3601

Información TXT
host: criticalsearches.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:69.39.238.117 ip4:72.9.150.100 ip4:72.29.91.154 ip4:91.121.61.105 include:_spf.google.com include:spf.protection.outlook.com -all
entries: Array