The three print titles stopped being printed in September last year and were absorbed into the Derbyshire Times.
The three websites are believed to have been taken down on 4 November and the Twitter accounts associated with the titles have not been updated since March, April, and June respectively.
A JPIMedia spokeswoman told HTFP: “Belper, Ilkeston and Ripley print titles have been consolidated within the Derbyshire Times print edition for some time, so the digital footprint now mirrors that in print.”
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