The majority of the Internet’s 13.6 million .de domains were unavailable from between 1:30pm and 2:50pm German time yesterday. DENIC, the .de operator, reports that the names went “kaputt” after empty zone files were accidentally uploaded to the DNS root system.
Information on the number of names affected varies. According to one source, every .de name starting with the letters “a” through “0” saw downtime. DENIC is still investigating the outage.
Source | The Register