Thanks .. I have gone through the link..
am able to ping, DNS entries are corrrect , able to forward and reverse lookup the fqdn and IP..Able to connect to the FQDN
but getting the SSL timeout..as shown below when i runt the curl command
curl -v -3 -ssl https://my.fqdn.com
* About to connect() to https:// myfqdn.com port 443 (#0)
* Trying 10..X.X.X connected
* Connected to XXXXXXXX) port 443 (#0)
* successfully set certificate verify locations:
* CAfile: none
CApath: /etc/ssl/certs/
* SSLv3, TLS handshake, Client hello (1):
* SSL connection timeout
* Closing connection #0