Don't resolve IP addresses in the config except for the bind one.

proxy/src/main/java/com/velocitypowered/proxy/config/VelocityConfiguration.java

@@ -242,7 +242,7 @@ public class VelocityConfiguration extends AnnotatedConfig implements ProxyConfi
   }
 
   public InetSocketAddress getBind() {
-    return AddressUtil.parseAddress(bind);
+    return AddressUtil.parseAndResolveAddress(bind);
   }
 
   @Override

proxy/src/main/java/com/velocitypowered/proxy/network/ConnectionManager.java

@@ -51,7 +51,6 @@ public final class ConnectionManager {
     this.resolverGroup = new DnsAddressResolverGroup(
         new DnsNameResolverBuilder()
             .channelType(this.transportType.datagramChannelClass)
-            .ttl(300, 86400)
             .negativeTtl(15)
             .ndots(1)
     );

proxy/src/main/java/com/velocitypowered/proxy/util/AddressUtil.java

@@ -10,12 +10,26 @@ public class AddressUtil {
   }
 
   /**
-   * Attempts to parse an IP address of the form <code>127.0.0.1:25565</code>.
+   * Attempts to parse an IP address of the form <code>127.0.0.1:25565</code>. The returned
+   * {@link InetSocketAddress} is not resolved.
    *
    * @param ip the IP to parse
    * @return the parsed address
    */
   public static InetSocketAddress parseAddress(String ip) {
+    Preconditions.checkNotNull(ip, "ip");
+    URI uri = URI.create("tcp://" + ip);
+    return InetSocketAddress.createUnresolved(uri.getHost(), uri.getPort());
+  }
+
+  /**
+   * Attempts to parse an IP address of the form <code>127.0.0.1:25565</code>. The returned
+   * {@link InetSocketAddress} is resolved.
+   *
+   * @param ip the IP to parse
+   * @return the parsed address
+   */
+  public static InetSocketAddress parseAndResolveAddress(String ip) {
     Preconditions.checkNotNull(ip, "ip");
     URI uri = URI.create("tcp://" + ip);
     return new InetSocketAddress(uri.getHost(), uri.getPort());