Here’s an example, it’s not just sky news, it’s all news feeds, calendars etc., etc…

}
[01.08.2022 22:46.21.463] [ERROR] Newsfeed Error. Could not fetch newsfeed:  http://feeds.skynews.com/feeds/rss/world.xml FetchError: request to http://feeds.skynews.com/feeds/rss/world.xml failed, reason: getaddrinfo EAI_AGAIN feeds.skynews.com
    at ClientRequest.<anonymous> (/home/pi/MagicMirror/node_modules/node-fetch/lib/index.js:1491:11)
    at ClientRequest.emit (node:events:526:28)
    at Socket.socketErrorListener (node:_http_client:442:9)
    at Socket.emit (node:events:526:28)
    at emitErrorNT (node:internal/streams/destroy:157:8)
    at emitErrorCloseNT (node:internal/streams/destroy:122:3)
    at process.processTicksAndRejections (node:internal/process/task_queues:83:21) {
  type: 'system',
  errno: 'EAI_AGAIN',
  code: 'EAI_AGAIN'
}

Google search suggests a DNS error, but MM shows DNS working OK.

pi@magicmirror:~ $ nslookup www.google.co.uk
Server:         208.67.222.222
Address:        208.67.222.222#53

Non-authoritative answer:
Name:   www.google.co.uk
Address: 172.217.169.35
Name:   www.google.co.uk
Address: 2a00:1450:4009:823::2003