code: def get_all_subdomains(self, offset=None, count=None, min_sequence=None, cur=None):
          
          get_cmd = 'SELECT DISTINCT fully_qualified_subdomain FROM {}'.format(self.subdomain_table)
          args = ()
  
          if min_sequence is not None:
              get_cmd += ' WHERE sequence >= ?'
              args += (min_sequence,)
  
          if count is not None:
              get_cmd += ' LIMIT ?'
              args += (count,)
  
          if offset is not None:
              get_cmd += ' OFFSET ?'
              args += (offset,)
  
          get_cmd += ';'
  
          cursor = None
          if cur is None:
              cursor = self.conn.cursor()
          else:
              cursor = cur
  
          rows = db_query_execute(cursor, get_cmd, args)
          subdomains = []
          for row in rows:
              subdomains.append(row['fully_qualified_subdomain'])
  
          return subdomains
docs: Get and all subdomain names, optionally over a range