http://dl.dropbox.com/u/822537…s_configuration_files.png
file at the end have:
#
# Header End
#
NameVirtualHost :80
NameVirtualHost one-of-my-ip:80
NameVirtualHost another-of-my-ip:80
If I change "NameVirtualHost :80" to: "NameVirtualHost *:80" then it works.
but running imscp-setup will break it anyway again..
answer is:
I missed one not-existing-anymore ip_id in table domain_aliasses
engine sql for getting ip addresses received null and set entry without ip
after fixing in database should be ok now. 
God, I love your posts 
You get into trouble, you come with solution. Thank you for sharing, become not in 1000 years i could not think what could trigger this problem.
God, I love your posts
Well, I decided to ask because maybe someone had the same problem (small chance, but still)
But I will not stop looking for a reason of that problem or solution just because I asked on the forum, right?