My question involves collection proceedings in the State of: Alabama

Why does a Summons and statement of claim have Alias written on them?
This summons does not have state seal anywhere on it. Serve on looks like this...(D002). The return on service: has no information, blank lines no signature.
The clerks signature is done with what looks a stamp. The lawyers signature also looks like a stamp. Back of second page (instruction to sheriff or process server) is blank.

Are there fake summons? How can I be sure?

Thanks in advance.