===== DNS/bind Referenzen =====
IANA DNS Parameter
  * http://www.iana.org/assignments/dns-parameters

Zytrax Open Doku
  * http://www.zytrax.com/books/dns/

BIND9 Doku bei ISC
  * https://www.isc.org/downloads/bind/doc/

== Wikipedia ==
Resource Record
  * https://de.wikipedia.org/wiki/Resource_Record
  * https://en.wikipedia.org/wiki/List_of_DNS_record_types

DNS
  * https://de.wikipedia.org/wiki/Domain_Name_System
  * https://en.wikipedia.org/wiki/Domain_Name_System

Alternative TLD
  * https://www.pluralsight.com/blog/software-development/choose-internal-top-level-domain-name