I experienced the same problem like Meetor & other friends. I think I will follow the advice of the Karira, on written complain. Even I could not opened the Link "Web based....Complaint Status My Speed Post No is :EE326462119INIf any body can try to find out.
The website is down because of security reason. Further in India we are allocated dynamic IP's each time we connect to the internet, unless one is using a fixed IP leased line connection, therefore chances of particular IP or person denied is not possible.
'Denial of Service' attach is basically done by users by bombarding the particular website from innumerable locations so that the server crashes. It was done by protester in one case against the UN website as they gathered netizens and asked them to visit the particular site exactly at the same time.
This is off topic of this thread but relevant to what Kushal said:
(Please believe me, Kushal knows more about this, than any of us...for more reasons than one !! He He He He - LOL)
I had a similar experience with the official website which lists questions raised in Parliament. Sent the following email to all concerned , but no reply till date:
From: C J Karira [mailto:XXXXXXX]
Sent: 08 June 2008 14:03
To: 'email@example.com'; 'firstname.lastname@example.org'; 'email@example.com'; 'firstname.lastname@example.org'; 'email@example.com'
Cc: 'firstname.lastname@example.org'; 'email@example.com'; 'firstname.lastname@example.org'
Subject: Website http://188.8.131.52/rsq/pq.htm managed by NIC is INFECTED !