Servidores DNS Principal (mname) y Secundario (rname)
host: catalystdx.com
class: IN
ttl: 13652
type: SOA
mname: ns1.idexx.com
rname: postmaster.idexx.com
serial: 7
refresh: 10800
retry: 3600
expire: 1209600
minimum-ttl: 900

Información TXT
host: catalystdx.com
class: IN
ttl: 13652
type: TXT
txt: v=spf1 -all
entries: Array