The old server is dead in November 2021, therefore there is actually no chance to reach the website.
In the expectation of a service resurrection, the old pages can be partially seen under https://web.archive.org/
The running pages are temporally hosted at https://www.colorazeta.it/EngResearch/Zanarini_index_EN.htm
...
https://www.researchgate.net/profile/Alessandro-Zanarini
