.de DNSSEC issues ?

Tue May 5 20:40:40 UTC 2026

Anyone else seeing problems with DNSSEC validation at .de ?  seems to have started at about 21:30 CEST.
dnsviz shows several errors: https://dnsviz.net/d/de/dnssec/

Tried contacting them, but the denic.de MX doesn't accept mail at the moment

May  5 22:34:13 relay=mxext3.mailbox.org. [IPv6:2001:67c:2050:104:0:3:25:1], dsn=4.1.2, reply=450 4.1.2 <dbs at denic.de>: Recipient address rejected: Domain not found, stat=Deferred: 450 4.1.2 <dbs at denic.de>: Recipient address rejected: Domain not found