How to pronounce “on the dot” in English

And we hit it 49, 41 on the dot.

And so these are just like little references to - this was kind of like comments on the dot com.

I looked at my watch, and noticed that it was 2:00 am on the dot, finally.

So I guess last week there has been a lot of talk about opinion polls and surprisingly, this time the exit polls were on the dot, almost.