Servidores DNS Principal (mname) y Secundario (rname)
host: skaph.com
class: IN
ttl: 3600
type: SOA
mname: ns01.weisssieker.name
rname: jan.weisssieker.de
serial: 2017081803
refresh: 3600
retry: 600
expire: 1209600
minimum-ttl: 3600