RE: https://mastodon.social/@quad9dns/116524031934851081
And for those who can reach it - here is the #DENIC status page: https://status.denic.de/
We are monitoring a #DNSSEC-related issue with #DE ccTLD. The issue is not specific to Quad9. We will update once more information becomes available.
You can subscribe for updates at: https://uptime.quad9.net/
