Recommended DNS server addresses for Hik-Connect include:

Preferred DNS: 8.8.8.8
Alternate DNS: 1.1.1.1

These dependable and swift DNS servers, offered by Google, can enhance your Hik-Connect experience. Alternatively, you might explore other public DNS servers like OpenDNS or Cloudflare.

Should you encounter Hik-Connect connection issues, consider adjusting your device's DNS settings. Instructions can typically be found in your device's manual.

Here's how you can modify DNS settings on a Windows computer:

1. Access the Control Panel.
2. Navigate to "Network and Sharing Center."
3. Click "Change adapter settings."
4. Right-click your active network adapter, then choose "Properties."
5. Opt for "Internet Protocol Version 4 (TCP/IPv4)," then click "Properties."
6. Select "Use the following DNS server addresses" and input the preferred and alternate DNS server addresses.
7. Save changes by clicking "OK."

After updating DNS settings, attempt connecting to Hik-Connect once more. If difficulties persist, feel free to reach out to Hikvision's support for further assistance.