Problem with accesbility to domain from Russia

Good day! I have such a problem. The site dextracker.pro is hosted by vercel and opens normally from other countries. In the Russian Federation, the site opens only with wifi, but does not open from mobile Internet. I tried to change the NS servers from vercel, but after 24 hours nothing has changed. I am in despair and do not understand how to solve this. Maybe you know what the problem could be? I have no ideas where to dig. Vercel has a native built-in domain web-8zgg-dans-projects-a55e08f7.vercel.app/ and it opens from mobile Internet, although it leads to the same site

The domain troubleshooting guide can help with most custom domain configuration issues. You might be able to use that guide to solve it before a human is available to help you. Then you can come back here and share the answer for bonus points.

https://vercel.com/docs/projects/domains/troubleshooting

You can also use v0 to narrow down the possibilities.

Vercel Alum

Hey, ! Welcome to the Vercel Community.

Could you go through this post? https://community.vercel.com/t/resolving-ip-blocking-issues/171/

Read carefully the points from Pauline P. Narvas. 80% Most likely, your DNS cache is clogged. You need to clean it.

On Mac this command helped me: sudo dscacheutil -flushcache && sudo killall -HUP mDNSResponder

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