from my analysis DENIC resigned the .de zone today (May 5, 2026, ~17:49 UTC). The DNSSEC signature (RRSIG) for the NSEC3 record covering the hash range of nearly all .de TLD is cryptographically broken (malformed).
Take a look at the online subscription of WSJ - there is no online way to cancel the online subscription, you need to call a number and try to survive their retention script.