Its not Herpes but what is it?

From time to time these dots
appear 12 hours after sex.

could i be allergic to my wifes bacterial flora
there is no itching or anything

have you tried using condoms to see if the problem stops?

i have not tried that so maybe i should

it might not make a difference
but at least you are eliminating a possibility

here is another image.
may be some rare weird condition

does the very tip of your penis usually protrude for the foreskin ?

do you mean if the foreskin is drawn back all the time since i am not circumcised ? then the answer is no

no
does your foreskin cover the head completely?

yes it do cover it completely

if I was you I would still try condoms for a month or so and see if that stops it
and don’t use soap to wash the area just warm water and dry thoroughly