grayfolk Said:
"WiFi security: This message is in our Wi-Fi settings. Is this a concern? Privacy Warning This network is blocking encrypted DNS traffic. The names of websites and other servers your device accesses on this network may be monitored and recorded by other devices on this network."
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Encryption is the Culprit:
You are getting this prompt because your router is using an insecure protocol (i.e. WPA2, which is no longer secure). So, either reconfigure your router's settings to be using a more secure one (i.e. WPA3), or upgrade to a new router that supports one. Older devices may not support WPA3. So, it would have to have WPA2/WPA3 open for use. Without getting too technical here, look at the user guide of your router, for more on configuring this.