OD: Originating domain (where the controllable DNS "tree" starts)

Public OD: redxen.eu
Local OD:  redxen.localhost

Machine format  (<mformat>): <unique-id>.<datacenter-identifier>.<provider>
Familiar format (<fformat>): <familiar-name>.<location>.<provider>

SRV records:
	<service>.routinginfo.OD
	( <mformat> / <fformat> ).routinginfo.OD
	<service>.( <mformat> / <fformat> ).routinginfo.OD
Machine identifier: <mformat>.OD
Familar identifier: <fformat>.OD

SRV records are based on a per-service or/and per-host base.
rDNS: points to familiar identifier

Familiar names are going to be canonical names to machine formats and the machine formats SHOULD have no overlapping.
The familiar format <location>.OD may contain all the records for the children of that tree.

Examples for records:

jh4128da.nbg1-dc3.hetzner.redxen.eu IN A 102.23.12.4
# Here the ID is provided by hetzner for the specific machine.
# This ID doesn't change over the lifetime of the machine.

arisu.nurnberg.hetzner.redxen.eu IN CNAME "jh4128da.nbg1.hetzner.redxen.eu"

4.12.23.102.in-addr.arpa IN PTR "arisu.nurnberg.hetzner.redxen.eu"

mumble.routinginfo.redxen.eu IN SRV 64738 "arisu.nurnberg.hetzner.redxen.eu"
# Querying the mumble service across all servers