For some reason, Im unable to access my domain

I've tried on every browser: Firefox, Chrome, Opera, Safari - all not able to
However, when I use my phone to access, i am able to
But when I am on my computer (Mac), I am not able to
When I use my friend's computer (Windows), I can access it (on the same wifi im using)
When I connect my phone's hotspot to my computer (Mac), I am still not able to access
When I use my phone's connection and wifi to access, i am able to
Im thinking if my mac is blocking this one domain unknowingly
I am not running any antivirus or spyware software on my com
I've done DNS test checks (open terminal, type host www.domain.com to get the ip address)
Tried many forums, searches but still unable to find a solution
Any suggestions?
UPDATE: Fixed. Found a solution to it.
Somehow for my computer I needed to add a https://