I checked the entire list on the page in my post above through ftp. You can see the results below.
pclinuxos.c3sl.ufpr.br - good
ftp.heanet.ie - good
ftp.jaist.ac.jp - good
ftp.klid.dk - good
ftp-svr2.kddilabs.jp - good
ftp.uwsg.indiana.edu - no good old
ftp.ntua.gr - no good old
ftp.pbone.net - no good old
coffee.ipsl.jussieu.fr - could not establish ftp connection
spout.ussg.indiana.edu - no good old
ftp.twaren.net - no good old
mirror.internode.on.net - good
gnupg.cdpa.nsysu.edu.tw - no good old
ftp.vim.org - good
mirror.aarnet.edu.au - good
ftp.nluug.nl - good
mirrors.xservers.ro - good
na.mirror.garr.it - good
ftp.nl.freebsd.org - good
ftp.sh.cvut.cz - no good old
ftp.riken.go.jp - no good old
http://pclosusers.com - could not establish ftp connection
funny, I just was able to ftp to it
[dwmoar@localhost ~]$ lftp pclosusers.com
lftp pclosusers.com:~> user youcantoo xxxxxxxxx
lftp youcantoo@pclosusers.com:~> cd /home/members/pclosusers
cd ok, cwd=/home/members/pclosusers
lftp youcantoo@pclosusers.com:/home/members/pclosusers> ls
drwxr-xr-x 2 500 500 4096 Apr 13 2011 Forum203
-rw-r--r-- 1 500 500 143360 Apr 13 2011 SmartFAQ_v3.tar
-rw-r--r-- 1 500 500 3178 Apr 13 2011 about.php
drwxr-xr-x 2 500 500 4096 Apr 15 2011 archives
-rwxr-xr-x 1 500 500 547741 Apr 13 2011 awstats.cgi
-rw-r--r-- 1 500 500 526 Apr 13 2011 contact.php
-rw-r--r-- 1 500 500 4186 Apr 13 2011 donations.php
-rw-r--r-- 1 500 500 3084 Apr 13 2011 downloads.php
-rw-r--r-- 1 500 500 7214 Apr 13 2011 downloads.php.orig
-rw-r--r-- 1 500 500 3092 Apr 13 2011 emailsignup.php
drwxr-xr-x 4 500 500 4096 Apr 13 2011 faqs
-rw-r--r-- 1 500 500 1406 Apr 13 2011 favicon.ico
drwxrwxrwx 3 500 500 4096 Sep 16 2011 fullmonty
drwxr-xr-x 2 0 0 4096 Aug 01 06:00 fullmonty-logs
-rwxr-xr-x 1 500 500 357 Apr 13 2011 get-files.sh
-rwxr-xr-x 1 500 500 354 Apr 13 2011 get-isos.sh
drwxrwxr-x 2 500 500 4096 Jun 01 2011 images
drwxrwxr-x 2 500 500 4096 Apr 13 2011 includes
-rw-r--r-- 1 500 500 2107 Apr 13 2011 index.php
-rwxr-xr-x 1 500 500 452 Apr 13 2011 index.php.site.down
-rw-r--r-- 1 500 500 3565 Apr 13 2011 install.php
drwxr-xr-x 2 1373 100 4096 Aug 14 07:20 isos
drwxr-xr-x 2 500 500 4096 Apr 15 2011 kde3
-rw-r--r-- 1 500 500 956 Apr 13 2011 license.php
drwxr-xr-x 2 500 500 4096 Aug 01 15:00 logs
drwxr-xr-x 4 500 500 4096 Apr 14 2011 msgboard
-rw-r--r-- 1 500 500 8708 Apr 13 2011 msgboardadmin
-rw-r--r-- 1 500 500 1833 Oct 11 2011 nverror.php
-rw-r--r-- 1 0 0 3777 Oct 12 2011 nvform.html
-rw-r--r-- 1 500 500 8321 Oct 12 2011 nvform.notworking
-rw-r--r-- 1 0 0 7987 Oct 12 2011 nvform.php
-rw-r--r-- 1 500 500 7952 Oct 11 2011 nvform.php.issues
-rw-r--r-- 1 500 500 9314 Oct 11 2011 nvform_readme.txt
-rw-r--r-- 1 500 500 772 Apr 13 2011 oops.php
-rw-r--r-- 1 500 500 590 Apr 13 2011 packages.php
-rw-r--r-- 1 500 500 24034 Apr 13 2011 packages.php.bak
-rw-r--r-- 1 500 500 168 Apr 13 2011 pagecounter.txt
drwxr-xr-x 3 1373 100 4096 Feb 23 2007 pclosfiles
-rw-r--r-- 1 500 500 5171 Apr 13 2011 pclosusers.css
-rw-r--r-- 1 500 500 216 Apr 13 2011 robots.txt
-rw-r--r-- 1 500 500 1676 Oct 12 2011 success.php
-rw-r--r-- 1 500 500 1214 Apr 13 2011 system.php
-rw-r--r-- 1 500 500 186 Apr 13 2011 template.php
-rw-r--r-- 1 500 500 20 Oct 02 2011 test.php
-rw-r--r-- 1 500 500 358 Apr 13 2011 thankyou.php
lrwxrwxrwx 1 0 0 14 Apr 18 2011 webalizer -> /var/www/usage
drwxrwxrwx 2 0 0 4096 Feb 09 2012 webalizer-logs
lftp youcantoo@pclosusers.com:/home/members/pclosusers>
Sure does look like it is working fine to me.
pclos.camors.org - could not establish ftp connection