ssh -T git@bitbucket.org and ssh -v git@bitbucket.org hangs with no response

[Debashish Nath]

ssh -T git@bitbucket.org and ssh -v git@bitbucket.org hangs with no response

I have restarted ssh-agent, added the key many times

also followed existing help on same issue

https://community.atlassian.com/t5/Bitbucket-questions/How-to-rectify-SSH-error-Authenticity-of-host-can-t-be/qaq-p/212541

https://community.atlassian.com/t5/Bitbucket-questions/SSH-not-working-intermittently/qaq-p/848687

https://confluence.atlassian.com/bitbucket/troubleshoot-ssh-issues-271943403.html

but couldn't resolve issue