W3C Val UA?

[keyplyr]

http*://validator.w3.org/check?

All of a sudden, cannot connect to my site to validate my mark-up, saying timeout. My server is (currently) up and the site displays, so I'm thinking I may have banned the application/tool they use... which is? Thanks.

[bakedjake]

W3C_Validator/1.305.2.12 libwww-perl/5.64

[keyplyr]

Thanks

<added>
This is the message W3C gives when I attempt to validate online:

I got the following unexpected response when trying to retrieve http://www.my-site.com/:> 
500 Can't connect to www.my-site.com:80 (Timeout)
Please make sure you have entered the URI correctly.

However, this is in my logs, getting pages and files... with IP: 18.29.1.50

W3C_Validator/1.305.2.12 libwww-perl/5.64

So I added this to my RewriteRule (which blocks rogue libwww-perl users)

RewriteCond %{REMOTE_ADDR}!^18\.29\.1\.50

Tried to validate again, but no success.

W3C has no problem validating my CSS files, or if I upload HTML pages. The only problem is when I attempt to validate HTML pages online, and of course that link I have to them using their 'valid html' no longer is connecting :(

[keyplyr]

I had my server and domain name rebooted, W3C is now connecting once again.