@BeAware Potentially, given the vagaries of ActivityPub, that could be the case.
That said, all the relays I have setup report their own useragents, for example:
ActivityRelay@intahnet.co.uk (golang net/http; Activity-Relay 2.0.5; relay.intahnet.co.uk)
toot.io relay service (golang net/http; Activity-Relay 2.0.5; relay.toot.io)