Run these two commands from a client terminal

nltest /dsgetdc:sharewiz.net

           DC: \\DC.adminoffice.sharewiz.net
      Address: \\192.168.1.77
     Dom Guid: 5f698a5-91c3-3b9c-82fe-9cef7535d6a
     Dom Name: adminoffice.sharewiz.net
  Forest Name: adminoffice.sharewiz.net
 Dc Site Name: Default-First-Site-Name
Our Site Name: Default-First-Site-Name
        Flags: PDC GC DS LDAP KDC TIMESERV WRITABLE DNS_DC DNS_DOMAIN DNS_FOREST
 CLOSE_SITE FULL_SECRET

The command completed successfully

or

nslookup -type=srv _ldap._tcp.dc._msdcs.adminoffice.sharewiz.net

Server:  dc.adminoffice.sharewiz.net
Address:  192.168.1.77

DNS request timed out.
    timeout was 2 seconds.
_ldap._tcp.dc._msdcs.adminoffice.sharewiz.net        SRV service location:
          priority       = 0
          weight         = 100
          port           = 389
          svr hostname   = dc.adminoffice.sharewiz.net
dc.adminoffice.sharewiz.net  internet address = 192.168.1.77

I:\Office Data\ShareWiz Systems\Sales\Clients\Lost Prospects>