403 from everywhere, probably got slashdotted. Here's the archive link: https://web.archive.org/web/20220615204139/https://jacco.omp...

Yes the site got slashdotted... reached out to the ISP, should be back online soon.

It's also 403 from NA, don't think it has anything to do with GDPR. This comment has an archived link: https://news.ycombinator.com/item?id=31759691

403 from Asia (Vietnam) too.