error squid when using pf

[applecom at inbox.ru]

> i try use pf for transparant proxy ( i get from here
> http://www.benzedrine.cx/transquid.html )
> when i configure manual to use proxy is working fine .
> then i try to use pf for redirection connection to
> proxy :
> int_if="vr0"
> ext_if="xl0"
> 
> rdr on $int_if inet proto tcp from any to any port www
> -> 127.0.0.1 port 3128
> 
> pass in on $int_if inet proto tcp from any to
> 127.0.0.1 port 3128 keep state
> pass out on $ext_if inet proto tcp from any to any
> port www keep stat
> 
> i always get error = Unable to determine IP address
> from host name for www.domain.com such like error dns
> but my dns resolver working fine .
> what should i chek squid or my pf script 

Maybe "-D" flag for squid will help ("Disable initial DNS tests") ?