proxychain unable to resolve ip address

I have my proxychains configured as strict_chain proxy_dns http 172.16.20.2 3128 because I can access internet through 172.16.20.2:3128. But running the proxychains gives me the following error root@kali:~# proxychains apt-get update ProxyChains-3.1 (http://proxychains.sf.net) 0% [Working]|DNS-request| http.kali.org 0% [Connecting to http.kali.org]|S-chain|--172.16.20.2:3128--4.2.2.2:53-<--denied |DNS-response|: http.kali.org does not exist Ign:1 http://http.kali.org/kali kali-rolling InRelease 0% [Working]^C So, what's wrong? I suspect nothing is wrong with my proxychains because it runs on tor but not on 172.16.20.2:3128. 172.16.20.2:3128 runs fine on my browser so what prevents it from running on proxychains?