root@freebsd:~ # kinit administrator
administrator@TEST.JP's Password:
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 start
Performing sanity check on Samba configuration: OK
Starting nmbd.
Starting smbd.
Starting winbindd.
root@freebsd:~ # wbinfo -u
TEST\guest
TEST\administrator
TEST\krbtgt
TEST\chibi
root@freebsd:~ # wbinfo -n chibi
S-1-5-21-2208560285-1948343356-3027751055-1105 SID_USER (1)
root@freebsd:~ # net ads info
LDAP server: 192.168.1.29
LDAP server name: dc1.test.jp
Realm: TEST.JP
Bind Path: dc=TEST,dc=JP
LDAP port: 389
Server time: Thu, 27 Aug 2020 16:45:22 JST
KDC server: 192.168.1.29
Server time offset: -6
Last machine account password change: Thu, 27 Aug 2020 16:43:35 JST
root@freebsd:~ # smbclient -L localhost -U%

        Sharename       Type      Comment
        ---------       ----      -------
        netlogon        Disk
        sysvol          Disk
        IPC$            IPC       IPC Service (Samba 4.11.11)
SMB1 disabled -- no workgroup available
root@freebsd:~ # smbclient //192.168.1.27/netlogon -Uadministrator
Enter TEST\administrator's password:
Try "help" to get a list of possible commands.
smb: \> ls
  .                                   D        0  Wed Aug 26 11:04:23 2020
  ..                                  D        0  Wed Aug 26 11:04:23 2020

                124869119 blocks of size 4096. 114193981 blocks available
smb: \> exit
root@freebsd:~ # smbclient //192.168.1.27/sysvol -Uadministrator
Enter TEST\administrator's password:
Try "help" to get a list of possible commands.
smb: \> ls
  .                                   D        0  Wed Aug 26 11:04:23 2020
  ..                                  D        0  Wed Aug 26 11:04:23 2020
  test.jp                             D        0  Wed Aug 26 11:04:23 2020

                124869119 blocks of size 4096. 114195561 blocks available
smb: \> exit
root@freebsd:~ # uname -a
FreeBSD freebsd 12.1-STABLE FreeBSD 12.1-STABLE r364392 GENERIC  amd64
root@freebsd:~ # samba -V
Version 4.11.11
root@freebsd:~ # host -4 dc
dc.test.jp has address 192.168.1.28
dc.test.jp has IPv6 address 2400:4052:46e0:b700:fc30:d04f:de9b:2aaf
root@freebsd:~ # host -4 dc1
dc1.test.jp has address 192.168.1.29
dc1.test.jp has IPv6 address 2400:4052:46e0:b700:6829:72ab:3aeb:d06e
root@freebsd:~ # host -t SRV _ldap._tcp.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 dc1.test.jp.
_kerberos._udp.test.jp has SRV record 0 100 88 dc.test.jp.
root@freebsd:~ # host -t A test.jp
test.jp has address 192.168.1.28
test.jp has address 192.168.1.29
test.jp has address 192.168.1.27
root@freebsd:~ # net ads lookup
Information for Domain Controller: 192.168.1.29

Response Type: LOGON_SAM_LOGON_RESPONSE_EX
GUID: 72d26a83-e828-46b0-a2e3-9ef40e4ccfd7
Flags:
        Is a PDC:                                   no
        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:                       no
        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: dc1.test.jp
Pre-Win2k Domain: TEST
Pre-Win2k Hostname: DC1
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:~ # dig test.jp

; <<>> DiG 9.16.6 <<>> test.jp
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 8646
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4000
;; QUESTION SECTION:
;test.jp.                       IN      A

;; ANSWER SECTION:
test.jp.                600     IN      A       192.168.1.27
test.jp.                600     IN      A       192.168.1.28
test.jp.                600     IN      A       192.168.1.29

;; Query time: 2 msec
;; SERVER: 192.168.1.27#53(192.168.1.27)
;; WHEN: Thu Aug 27 16:49:24 JST 2020
;; MSG SIZE  rcvd: 84

root@freebsd:~ # klist
Credentials cache: FILE:/tmp/krb5cc_0
        Principal: administrator@TEST.JP

  Issued                Expires               Principal
Aug 27 16:43:02 2020  Aug 28 02:43:02 2020  krbtgt/TEST.JP@TEST.JP
root@freebsd:~ # wbinfo -t
checking the trust secret for domain TEST via RPC calls succeeded
root@freebsd:~ # wbinfo -g
TEST\domain computers
TEST\cert publishers
TEST\domain users
TEST\domain guests
TEST\ras and ias servers
TEST\domain admins
TEST\schema admins
TEST\enterprise admins
TEST\group policy creator owners
TEST\allowed rodc password replication group
TEST\denied rodc password replication group
TEST\enterprise read-only domain controllers
TEST\cloneable domain controllers
TEST\protected users
TEST\key admins
TEST\enterprise key admins
TEST\domain controllers
TEST\read-only domain controllers
TEST\dnsadmins
TEST\dnsupdateproxy
root@freebsd:~ # smbclient -L localhost -U%

        Sharename       Type      Comment
        ---------       ----      -------
        netlogon        Disk
        sysvol          Disk
        IPC$            IPC       IPC Service (Samba 4.11.11)
SMB1 disabled -- no workgroup available
root@freebsd:~ #