opensuse:~ # kinit administrator
Password for administrator@TEST.JP:
opensuse:~ # net ads join -U administrator
Enter administrator's password:
Using short domain name -- TEST
Joined 'OPENSUSE' to dns domain 'test.jp'
No DNS domain configured for opensuse. Unable to perform DNS Update.
DNS update failed: NT_STATUS_INVALID_PARAMETER
opensuse:~ # systemctl restart winbind
opensuse:~ # wbinfo -u
guest
administrator
krbtgt
chibi
opensuse:~ # wbinfo -n chibi
S-1-5-21-995094434-2370853644-3769685270-1103 SID_USER (1)
opensuse:~ # net ads info
LDAP server: 192.168.1.25
LDAP server name: dc1.test.jp
Realm: TEST.JP
Bind Path: dc=TEST,dc=JP
LDAP port: 389
Server time: Thu, 07 Jan 2021 07:32:51 JST
KDC server: 192.168.1.25
Server time offset: -6
Last machine account password change: Thu, 07 Jan 2021 07:32:01 JST
opensuse:~ # host -4 dc
dc.test.jp has address 192.168.1.28
dc.test.jp has address 192.168.1.22
dc.test.jp has IPv6 address 2400:4052:46e0:b700:15dc:bd6:5817:24fc
dc.test.jp has IPv6 address 2400:4052:46e0:b700:b462:ad0e:dd8c:96f4
opensuse:~ # host -4 dc1
dc1.test.jp has address 192.168.1.25
dc1.test.jp has IPv6 address 2400:4052:46e0:b700:c0ac:f44c:e63:2b0
opensuse:~ # host -4 dc2
dc2.test.jp has address 192.168.1.27
dc2.test.jp has IPv6 address 2400:4052:46e0:b700:250f:3df1:1c43:8fcd
opensuse:~ # 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 dc.test.jp.
_ldap._tcp.test.jp has SRV record 0 100 389 dc1.test.jp.
opensuse:~ # 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 dc2.test.jp.
_kerberos._udp.test.jp has SRV record 0 100 88 dc.test.jp.
opensuse:~ # host -t A test.jp
test.jp has address 192.168.1.25
test.jp has address 192.168.1.27
test.jp has address 192.168.1.28
test.jp has address 192.168.1.22
opensuse:~ # cat /etc/os-release
NAME="openSUSE Tumbleweed"
# VERSION="20210102"
ID="opensuse-tumbleweed"
ID_LIKE="opensuse suse"
VERSION_ID="20210102"
PRETTY_NAME="openSUSE Tumbleweed"
ANSI_COLOR="0;32"
CPE_NAME="cpe:/o:opensuse:tumbleweed:20210102"
BUG_REPORT_URL="https://bugs.opensuse.org"
HOME_URL="https://www.opensuse.org/"
DOCUMENTATION_URL="https://en.opensuse.org/Portal:Tumbleweed"
LOGO="distributor-logo"
opensuse:~ # samba -V
Version 4.13.3-git.181.fc4672a5b81SUSE-oS15.5-x86_64
opensuse:~ # smbclient //192.168.1.22/netlogon -Uadministrator
Enter TEST\administrator's password:
Try "help" to get a list of possible commands.
smb: \> ls
  .                                   D        0  Sun Jan  3 10:57:47 2021
  ..                                  D        0  Sun Jan  3 10:57:47 2021

                124869119 blocks of size 4096. 106626258 blocks available
smb: \> exit
opensuse:~ # smbclient //192.168.1.22/sysvol -Uadministrator
Enter TEST\administrator's password:
Try "help" to get a list of possible commands.
smb: \> ls
  .                                   D        0  Sun Jan  3 10:57:47 2021
  ..                                  D        0  Sun Jan  3 10:57:47 2021
  test.jp                            Dr        0  Sun Jan  3 10:57:47 2021

                124869119 blocks of size 4096. 106626258 blocks available
smb: \> exit
opensuse:~ # net ads lookup
Information for Domain Controller: 192.168.1.25

Response Type: LOGON_SAM_LOGON_RESPONSE_EX
GUID: c8e0ec6a-8685-4987-934d-94b20f0e089e
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
opensuse:~ # dig test.jp

; <<>> DiG 9.16.8 <<>> test.jp
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2915
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 4, 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       192.168.1.28
test.jp.                600     IN      A       192.168.1.25
test.jp.                600     IN      A       192.168.1.22
test.jp.                600     IN      A       192.168.1.27

;; Query time: 0 msec
;; SERVER: 192.168.1.22#53(192.168.1.22)
;; WHEN: Thu Jan 07 07:36:11 JST 2021
;; MSG SIZE  rcvd: 100

opensuse:~ # klist
Ticket cache: DIR::/run/user/0/krb5cc/tkt
Default principal: administrator@TEST.JP

Valid starting     Expires            Service principal
01/07/21 07:31:34  01/07/21 17:31:34  krbtgt/TEST.JP@TEST.JP
        renew until 01/08/21 07:31:29
opensuse:~ # wbinfo -t
checking the trust secret for domain TEST via RPC calls succeeded
opensuse:~ # wbinfo -g
domain computers
cert publishers
domain users
domain guests
ras and ias servers
domain admins
schema admins
enterprise admins
group policy creator owners
allowed rodc password replication group
denied rodc password replication group
enterprise read-only domain controllers
cloneable domain controllers
protected users
enterprise key admins
key admins
read-only domain controllers
domain controllers
dnsadmins
dnsupdateproxy
opensuse:~ #