$TTL 2d
@  IN SOA  ns.tinycloud.   admin.tinycloud. (
                                2019081002      ; serial
                                3h              ; refresh
                                1h              ; retry
                                1w              ; expiry
                                1d )            ; minimum
tinycloud.       IN NS   ns.tinycloud.

router           A    192.168.17.1
ns               A    192.168.17.2
ntp              A    192.168.17.2
boot             A    192.168.17.2

firstblue        A    192.168.17.11
firstbrown       A    192.168.17.12
firstgreen       A    192.168.17.13
firstmagenta     A    192.168.17.14
firstorange      A    192.168.17.15
firstred         A    192.168.17.16
firstwhite       A    192.168.17.17
secondblue       A    192.168.17.21
secondbrown      A    192.168.17.22
secondgreen      A    192.168.17.23
secondmagenta    A    192.168.17.24
secondorange     A    192.168.17.25
secondred        A    192.168.17.26
secondwhite      A    192.168.17.2