Need more info about version of Apache on Ubuntu

[kitepilot at kitepilot.com]

dpkg --list|grep -i apache
ET 

techlists at phpcoderusa.com writes: 

> Hi I am running a Ubuntu 16.04lts webserver and need Apache
> 2.4.18-2ubuntu4.2 or newer.    
> 
> When I run "apache2 -v" it returns:  
> 
> Server version: Apache/2.4.18 (Ubuntu)
> Server built: 2017-09-18T15:09:02  
> 
> Since Ubuntu does back porting I need more info to determine the exact
> version such as is it 2.4.18-2ubuntu4.2 or some other version.  
> 
> How can I get this detail?  
> 
> Thanks in advance for your help!!  
> 
> Keith