Servidores DNS Principal (mname) y Secundario (rname)
host: essen-online-bestellen.com
class: IN
ttl: 3600
type: SOA
mname: ns1210.ispapi.net
rname: hostmaster.essen-online-bestellen.com
serial: 2022020401
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 172800