Tech

Due to vulnerabilities identified in PHP, we have temporarily taken selected DENIC websites offline as a precautionary measure to ensure maximum security.

Fake verification emails purporting to be from the internet service provider or DENIC are in circulation

Final assessment, based on the initial analysis of 8 May 2026 and the comprehensive follow-up examination

During a routine DNSSEC key rollover on 5 May 2026, some non-validatable signatures were generated and distributed. As a result, validating resolvers were temporarily unable to successfully verify their DNS responses for .de domains. This led to noticeable restrictions in the accessibility of .de domains for approximately three hours.

DENIC's Pawel Kowalik and Christian Simmen actively participated at the 122nd IETF Meeting in Bangkok