Not really.
https://www.usatoday.com/story/news/factcheck/2020/09/02/fact-check-antifa-com-redirects-joe-biden-site-hes-not-involved/3455297001/
And Biden officials have denied the connection.
"So whoever owns http://antifa.com is redirecting it to our website as a troll. … The VP very obviously has/wants nothing to do with fringe groups," Biden's digital director, Rob Flaherty.
It would tell me that the KKK obviously find Trump very attractive, and they actually do. Am I saying that Trump supports the KKK? No. Has Trump hired White Nationalists and repeated Supremacist bullshit? Yes. The difference is I've not seen Antifa really support any candidate. Maybe because they're an anarchist group? Nor am I seeing Biden hire them nor repeat their rhetoric. If he has, by all means. Correct me.