How do I retrieve the newest headers or headers by date range for a particular group? end goal would be to just download the headers I need instead of downloading all the groups headers.
There are a number of standard capabilities and extensions that allow for limited retrieval of metadata and you will have to check what your servers of interest support. One relevant command is NEWNEWS defined in https://www.rfc-editor.org/rfc/rfc3977#section-7.4.2
This command returns a list of message-ids of articles posted or
received on the server, in the newsgroups whose names match the
wildmat, since the specified date and time.
There are a number of standard capabilities and extensions that allow for limited retrieval of metadata and you will have to check what your servers of interest support. One relevant command is
NEWNEWS
defined in https://www.rfc-editor.org/rfc/rfc3977#section-7.4.2