Revert "client: Fix an issue where non-IP proxy URLs didn’t resolve c… (#33013)

This reverts commit bc68455320.

More bugs...

Closes #32838

Release Notes:

- N/A

crates/client/src/proxy/socks_proxy.rs

@@ -1,7 +1,5 @@
 //! socks proxy
 
-use std::net::SocketAddr;
-
 use anyhow::{Context as _, Result};
 use http_client::Url;
 use tokio::net::TcpStream;
@@ -10,8 +8,6 @@ use tokio_socks::{
     tcp::{Socks4Stream, Socks5Stream},
 };
 
-use crate::proxy::SYSTEM_DNS_RESOLVER;
-
 use super::AsyncReadWrite;
 
 /// Identification to a Socks V4 Proxy
@@ -77,14 +73,12 @@ pub(super) async fn connect_socks_proxy_stream(
     };
     let rpc_host = match (rpc_host, local_dns) {
         (TargetAddr::Domain(domain, port), true) => {
-            let ip_addr = SYSTEM_DNS_RESOLVER
-                .lookup_ip(domain.as_ref())
+            let ip_addr = tokio::net::lookup_host((domain.as_ref(), port))
                 .await
                 .with_context(|| format!("Failed to lookup domain {}", domain))?
-                .into_iter()
                 .next()
                 .ok_or_else(|| anyhow::anyhow!("Failed to lookup domain {}", domain))?;
-            TargetAddr::Ip(SocketAddr::new(ip_addr, port))
+            TargetAddr::Ip(ip_addr)
         }
         (rpc_host, _) => rpc_host,
     };