Can't resolve Socks5 server by url

[Andrew V.]

This bug is listed as resolved in tsocks change log.
[tsocks (1.8beta5-2) unstable; urgency=low
  * Not using socks server for name resolution]
Debian bug: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=175011

my configuration:
Ubuntu 11.04 (GNU/Linux 2.6.38-10-server x86_64)

tsocks.config:
local = 67.55.0.0/255.255.255.0
server = tunnel.acanac.net
server_type = 5
server_port = 22
default_user = ********
default_pass = ********

[Andrew V. (avarabei)]

andrew@Uberwald:~$ validateconf
Reading configuration file /etc/tsocks.conf...
... Read complete

=== Local networks (no socks server needed) ===
Network: 127.0.0.0 NetMask: 255.0.0.0
Network: 67.55.0.0 NetMask: 255.255.255.0
Network: 192.168.15.0 NetMask: 255.255.255.0

=== Default Server Configuration ===
Server: "tunnel.acanac.net" (Invalid!)
Port: 22
SOCKS type: 5

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.