Redirecting to old domain, tried everything, nothing works

As Sumit pointed out, the problem was in the old browser cache. The solution was to clear browser cache (or just add a query string after the address: http://my.new.domain/?random_string).

Thank you.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)