Update

Signed-off-by: Lev Rusanov <30170278+JDM170@users.noreply.github.com>

Program.cs

@@ -349,8 +349,21 @@ namespace domain_utility
 
             if (CheckComputerName(remote) != string.Empty)
             {
-                AnsiConsole.WriteLine($"CUPS {remote} открыт.");
-                remote = Dns.GetHostEntry(remote).AddressList.First(addr => addr.AddressFamily == AddressFamily.InterNetwork).ToString();
+                string pc_name = remote;
+                try
+                {
+                    remote = Dns.GetHostEntry(remote).AddressList.First(addr => addr.AddressFamily == AddressFamily.InterNetwork).ToString();
+                    if (!IsStringContainIp(pc_name))
+                        AnsiConsole.WriteLine($"CUPS {pc_name} ({remote}) открыт.");
+                    else
+                        AnsiConsole.WriteLine($"CUPS {remote} открыт.");
+                }
+                catch (Exception)
+                {
+                    AnsiConsole.WriteLine("Компьютер не найден.");
+                    BackToMenu(OpenComputerCups);
+                    return;
+                }
             }
 
             Process.Start($"https://{remote}:631/printers");