If you are being blocked, you will not be able to see the profile. Instead, youll see a message that says Youre blocked. You cant see or follow [the blockers] Tweets.
The only way to check hidden tweets on Twitter is to visit the writers Twitter profile and request permission to follow that user.
Checking the individual accounts is only way to see who blocked you on twitter. You wont see any notification from the account of that person if you are blocked on twitter by them. Moreover there is no way you can find the list of people who might have blocked you.
If youre not seeing your @reply listed below a users original Tweet, its because we are currently unable to show every reply to a given Tweet in that Tweets details. Rest assured that if your @reply is showing up in your timeline, the other user can see your @reply in their Mentions tab.
Under Safety, click Blocked accounts. At the top of your block list, youll see the option to click All or Imported. Click All to see every account you are currently blocking. Click Imported to see the accounts you blocked after previously importing another accounts list.