For a few minutes I was unable to connect to Wikimedia projects (using a Dutch ISP), including:
However, I was able to visit https://commons.wikimedia.beta.wmflabs.org/ and the front page loaded. DNS seemed to work, I was looking at "connecting to..", not "looking up..". A ping to enwiki:
dyna.wikimedia.org ping statistics
12 packets transmitted, 0 received, 100% packet loss, time 11087ms
According to https://downforeveryoneorjustme.com/en.wikipedia.org the site was up. This might have been some routing issue, but could also just be my ISP. To clarify, it is working again now.