You have HTTP/1.1 on your port 80 and HTTP/2 on your port 443.
If you have curl with http2 support enabled then you could easilly check it:
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curl -I -L --http2 http://www.onestopmarketing.club -s | egrep -i "^HTTP|^location|^[[:space:]]"
HTTP/1.1 301 Moved Permanently
Location: https://www.onestopmarketing.club/

HTTP/2.0 302
location:https://www.onestopmarketing.club/auth/

HTTP/2.0 200
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