➜  samba  cat /etc/bind/db.tetra.int
;
; BIND reverse data file for broadcast zone
;
$TTL    604800
@       IN      SOA     localhost. root.localhost. (
                              1         ; Serial
                         604800         ; Refresh
                          86400         ; Retry
                        2419200         ; Expire
                         604800 )       ; Negative Cache TTL
;
@               IN      NS      localhost.
tplink          IN      A       10.0.0.1
tetrahelp01     IN      A       10.0.0.11
tetrahelp02     IN      A       10.0.0.12
tetrahelp03     IN      A       10.0.0.13
tetrahelp04     IN      A       10.0.0.14
tetrahelp05     IN      A       10.0.0.15
marcus          IN      A       10.0.0.16
willian         IN      A       10.0.0.17
laboratorio     IN      A       10.0.0.18
implantacao     IN      A       10.0.0.19
clesle          IN      A       10.0.0.20
adriana         IN      A       10.0.0.21
carlos          IN      A       10.0.0.22
saulo           IN      A       10.0.0.23
thor            IN      A       10.0.0.100
wiki            IN      A       10.0.0.100
intranet        IN      A       10.0.0.100
redmine         IN      A       10.0.0.100
apfrente        IN      A       10.0.0.111
hp              IN      A       10.0.0.119
cameras         IN      A       10.0.0.123
apfundos        IN      A       10.0.0.222

➜  samba  cat /etc/krb5.conf
[libdefaults]
        default_realm = INTRANET.TETRA.INT
        dns_lookup_realm = false
        dns_lookup_kdc = true
[realms]
INTRANET.TETRA.INT = {
        kdc = 10.0.0.100
        admin_server = 10.0.0.100
}