root@freebsd:~ # net ads join -U administrator
Enter administrator's password:
Using short domain name -- TEST
Joined 'FREEBSD' to dns domain 'test.jp'
No DNS domain configured for freebsd. Unable to perform DNS Update.
DNS update failed: NT_STATUS_INVALID_PARAMETER
root@freebsd:~ # service samba_server restart
Performing sanity check on Samba configuration: OK
winbindd not running? (check /var/run/samba4/winbindd.pid).
smbd not running? (check /var/run/samba4/smbd.pid).
nmbd not running? (check /var/run/samba4/nmbd.pid).
Performing sanity check on Samba configuration: OK
Starting nmbd.
Starting smbd.
Starting winbindd.
root@freebsd:~ # wbinfo -u
TEST\administrator
TEST\guest
TEST\krbtgt
TEST\chibi
root@freebsd:~ # net ads info
LDAP server: 192.168.1.10
LDAP server name: dc.test.jp
Realm: TEST.JP
Bind Path: dc=TEST,dc=JP
LDAP port: 389
Server time: Mon, 01 Jul 2019 17:43:54 JST
KDC server: 192.168.1.10
Server time offset: -3
Last machine account password change: Mon, 01 Jul 2019 17:42:04 JST
root@freebsd:~ # wbinfo -n administrator
S-1-5-21-4283025733-908519724-3295402948-500 SID_USER (1)
root@freebsd:~ # host -4 dc
dc.test.jp has address 192.168.1.58
dc.test.jp has address 192.168.1.10
dc.test.jp has IPv6 address 2400:4052:46e0:b700:cc6c:3df7:45e4:e985
dc.test.jp has IPv6 address 2400:4052:46e0:b700:b03b:d3b7:8519:54be
root@freebsd:~ # host -4 dc1
dc1.test.jp has address 192.168.1.60
dc1.test.jp has IPv6 address 2400:4052:46e0:b700:9d2:83b4:4031:14cf
root@freebsd:~ # host -4 dc2
dc2.test.jp has address 192.168.1.61
dc2.test.jp has IPv6 address 2400:4052:46e0:b700:f0b7:1338:1a03:19fd
root@freebsd:~ # kinit administrator
administrator@TEST.JP's Password:
root@freebsd:~ # klist
Credentials cache: FILE:/tmp/krb5cc_0
        Principal: administrator@TEST.JP

  Issued                Expires               Principal
Jul  1 17:44:44 2019  Jul  2 03:44:44 2019  krbtgt/TEST.JP@TEST.JP
root@freebsd:~ # host -t SRV _ldap._tcp.test.jp
_ldap._tcp.test.jp has SRV record 0 100 389 dc2.test.jp.
_ldap._tcp.test.jp has SRV record 0 100 389 dc1.test.jp.
_ldap._tcp.test.jp has SRV record 0 100 389 dc.test.jp.
root@freebsd:~ # host -t SRV _kerberos._udp.test.jp
_kerberos._udp.test.jp has SRV record 0 100 88 dc.test.jp.
_kerberos._udp.test.jp has SRV record 0 100 88 dc1.test.jp.
_kerberos._udp.test.jp has SRV record 0 100 88 dc2.test.jp.
root@freebsd:~ # host -t A test.jp
test.jp has address 192.168.1.61
test.jp has address 192.168.1.60
test.jp has address 192.168.1.58
test.jp has address 192.168.1.10
root@freebsd:~ # smbclient //192.168.1.10/netlogon -Uadministrator
Enter TEST\administrator's password:
Try "help" to get a list of possible commands.
smb: \> ls
  .                                   D        0  Tue Jun 25 11:02:18 2019
  ..                                  D        0  Tue Jun 25 11:02:18 2019

                89665023 blocks of size 4096. 76605877 blocks available
smb: \> exit
root@freebsd:~ # smbclient //192.168.1.10/sysvol -Uadministrator
Enter TEST\administrator's password:
Try "help" to get a list of possible commands.
smb: \> ls
  .                                   D        0  Tue Jun 25 11:02:18 2019
  ..                                  D        0  Tue Jun 25 11:02:18 2019
  test.jp                             D        0  Tue Jun 25 11:02:18 2019

                89665023 blocks of size 4096. 76605877 blocks available
smb: \> exit
root@freebsd:~ # uname -a
FreeBSD freebsd 13.0-CURRENT FreeBSD 13.0-CURRENT r349251 GENERIC  amd64
root@freebsd:~ # samba -V
Version 4.7.12
root@freebsd:~ # net ads lookup
Information for Domain Controller: 192.168.1.10

Response Type: LOGON_SAM_LOGON_RESPONSE_EX
GUID: f0877c7f-d705-4890-bb71-ae9186be52a5
Flags:
        Is a PDC:                                   yes
        Is a GC of the forest:                      yes
        Is an LDAP server:                          yes
        Supports DS:                                yes
        Is running a KDC:                           yes
        Is running time services:                   yes
        Is the closest DC:                          yes
        Is writable:                                yes
        Has a hardware clock:                       yes
        Is a non-domain NC serviced by LDAP server: no
        Is NT6 DC that has some secrets:            no
        Is NT6 DC that has all secrets:             yes
        Runs Active Directory Web Services:         yes
        Runs on Windows 2012 or later:              yes
Forest:                 test.jp
Domain:                 test.jp
Domain Controller:      dc.test.jp
Pre-Win2k Domain:       TEST
Pre-Win2k Hostname:     DC
Server Site Name :              Default-First-Site-Name
Client Site Name :              Default-First-Site-Name
NT Version: 5
LMNT Token: ffff
LM20 Token: ffff
root@freebsd:~ # wbinfo -t
checking the trust secret for domain TEST via RPC calls succeeded
root@freebsd:~ # wbinfo -g
TEST\domain computers
TEST\domain controllers
TEST\schema admins
TEST\enterprise admins
TEST\cert publishers
TEST\domain admins
TEST\domain users
TEST\domain guests
TEST\group policy creator owners
TEST\ras and ias servers
TEST\allowed rodc password replication group
TEST\denied rodc password replication group
TEST\read-only domain controllers
TEST\enterprise read-only domain controllers
TEST\cloneable domain controllers
TEST\protected users
TEST\key admins
TEST\enterprise key admins
TEST\dnsadmins
TEST\dnsupdateproxy
root@freebsd:~ #