iPhone does not have built-in VPN (Virtual Private Network) or DNS services, but you can enable them via third-party apps or using web browsers. Here's how you can use them:

1. VPNER (iOS)
   • Website: https://www.vnper.com/
   • Description: A popular VPN app for iOS devices.
   • How to Use:
     1. Download and install the app.
     2. Open the app and enable VPN settings.
     3. Choose a VPN server (can be an existing server or a remote server).
     4. Configure the settings, including password, speed, and privacy options.
     5. Connect to the server and start using VPN features like online banking, social media, and more.

iPhone DNS:

1. DNSBlocker

   • Website: https://www.dnsblocker.com/
   • Description: A popular DNS blocker/app for iOS devices.
   • How to Use:
     1. Download and install the app.
     2. Open the app and enable DNS settings.
     3. Configure the DNS server(s) you want to block.
     4. Connect to the blocked servers and use them for secure internet access.

2. PasswdBlocker

   • Website: https://www.passdblocker.com/
   • Description: Another DNS blocker/app for iOS devices.
   • How to Use:
     1. Download and install the app.
     2. Open the app and enable DNS settings.
     3. Configure the DNS server(s) you want to block.
     4. Connect to the blocked servers and use them for secure internet access.

Important Notes:

• Strong Encryption: Use strong passwords and ensure your device is fully secure (e.g., by turning off any apps that could expose data).
• Stay Updated: Keep your apps and apps updated to avoid security vulnerabilities.
• Use Proper Configuration: Always test your VPN and DNS settings to ensure they are working correctly.

Additional Tips:

• If you're using a legitimate service like WhatsApp or Signal, look into your account settings or use a VPN for extra security.
• Always prioritize privacy and security when using any online services.

By using these tools, you can enhance your online security on your iPhone.