Different domain endings

Hi there

On my page shishabarguide.com I have the same page with the ending .ch, .de. at etc… What do I need to set so all page views from for example https://shishabarguide.CH/listing/sienna-lounge/ will be redirected to https://shishabarguide.COM/listing/sienna-lounge/

I have 6’000 pages, so need a solution which automatically works if that is possible?

Thanks a lot
Igor

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