Is anyone familiar with Bell Internet?

For some reason my website specifically and the website affiliated with it (wordpress, my hosting website) won't work. After days of research and calling back and forth between BELL and my hosting company I finally figured out that it's just BELL that's blocking these sites and my website and they couldn't even tell me that. Everyone else that is not using bell can see my website and can login to wordpress and my hosting company. How do I fix this? It's been very aggravating!

Thanks
And just to add, that means if half of Toronto is with Bell Canada, then I'm losing exposure because anybody who has Bell can't see my website.
 
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