dediğiniz gibi ssl hatası gözüküyor.
ssh dan google a curl atıyorum.
curl
https://www.tcmb.gov.tr/kurlar/today.xml
curl: (35) error:0A000152:SSL routines::unsafe legacy renegotiation disabled
curl google.com
<HTML><HEAD><meta http-equiv="content-type" content="text/html;charset=utf-8">
<TITLE>301 Moved</TITLE></HEAD><BODY>
<H1>301 Moved</H1>
The document has moved
<A HREF="http://www.google.com/">here</A>.
</BODY></HTML>