If someone Resteem your post it will show up in his blog feed. As result, those who are following him will see your post.   This will be a great help to get more people to read it and possibly upvote it.

Here is an easy way to find out who is supporting your post by resteemin it to his followers

3 Simple steps to find out who Resteemed your post

Step1  

From the list of posts in your blog feed click to the one you want to see who resteemed it.

The post will show up.  We will do a small replacement in the post url

Step2  

In the url of your post replace the 2 letters "it" with "db" as shown in the images below.
https://steemit.com/.....    will become      https://steemdb.com/...
Everything else must remain the same.

Step3   

Hit enter to load your post in the steemdb.com
Then click on the "Reblogs" tab to see who resteemed your post.

After clicking the "reblogs" tab you will see the list of users that resteemed the specific post.

Quite simple, easy and useful if you are interesting to know who supports you :)

Thanks for reading

Digital King