diff --git a/pom.xml b/pom.xml
index 1accb05..66506ac 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>github.openautonomousconnection</groupId>
     <artifactId>protocol</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.1-SNAPSHOT</version>
 
     <properties>
         <maven.compiler.source>23</maven.compiler.source>
@@ -36,7 +36,7 @@
         <dependency>
             <groupId>me.finn.unlegitlibrary</groupId>
             <artifactId>unlegitlibrary</artifactId>
-            <version>1.5.13</version>
+            <version>1.5.15</version>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
diff --git a/src/main/java/github/openautonomousconnection/protocol/ProtocolBridge.java b/src/main/java/github/openautonomousconnection/protocol/ProtocolBridge.java
index 81864cb..5cb5b5a 100644
--- a/src/main/java/github/openautonomousconnection/protocol/ProtocolBridge.java
+++ b/src/main/java/github/openautonomousconnection/protocol/ProtocolBridge.java
@@ -1,6 +1,6 @@
 package github.openautonomousconnection.protocol;
 
-import github.openautonomousconnection.protocol.handle.ClassicHandler;
+import github.openautonomousconnection.protocol.handle.ClassicHandlerServer;
 import github.openautonomousconnection.protocol.side.ProtocolClient;
 import github.openautonomousconnection.protocol.side.ProtocolServer;
 import lombok.Getter;
@@ -28,7 +28,7 @@ public class ProtocolBridge {
     private final Logger logger;
 
     @Getter @Setter
-    private ClassicHandler classicHandler;
+    private ClassicHandlerServer classicHandlerServer;
 
     public ProtocolBridge(ProtocolServer protocolServer, ProtocolSettings protocolSettings, ProtocolVersion protocolVersion, File logFolder) {
         this.protocolServer = protocolServer;
@@ -74,6 +74,16 @@ public class ProtocolBridge {
         }
     }
 
+    private boolean isClassic() {
+        boolean yes = false;
+        for (ProtocolVersion compatibleVersion : protocolVersion.getCompatibleVersions()) {
+            yes = compatibleVersion.getProtocolType() == ProtocolVersion.ProtocolType.CLASSIC;
+            if (yes) break;
+        }
+
+        return protocolVersion.getProtocolType() == ProtocolVersion.ProtocolType.CLASSIC || yes;
+    }
+
     public boolean isRunningAsServer() {
         return protocolServer != null;
     }
diff --git a/src/main/java/github/openautonomousconnection/protocol/classic/Classic_DomainPacketReceivedEvent.java b/src/main/java/github/openautonomousconnection/protocol/classic/Classic_DomainPacketReceivedEvent.java
new file mode 100644
index 0000000..dbb34d7
--- /dev/null
+++ b/src/main/java/github/openautonomousconnection/protocol/classic/Classic_DomainPacketReceivedEvent.java
@@ -0,0 +1,39 @@
+package github.openautonomousconnection.protocol.classic;
+
+import github.openautonomousconnection.protocol.ProtocolVersion;
+import me.finn.unlegitlibrary.event.impl.Event;
+
+public class Classic_DomainPacketReceivedEvent extends Event {
+
+    public final Classic_ProtocolVersion protocolVersion;
+    public final Classic_Domain domain;
+    public final Classic_RequestDomain requestDomain;
+    public final int clientID;
+
+    public Classic_DomainPacketReceivedEvent(Classic_ProtocolVersion protocolVersion, Classic_Domain domain, Classic_RequestDomain requestDomain, int clientID) {
+        this.protocolVersion = protocolVersion;
+        this.domain = domain;
+        this.requestDomain = requestDomain;
+        this.clientID = clientID;
+    }
+
+    @Override
+    protected final Object clone() throws CloneNotSupportedException {
+        return super.clone();
+    }
+
+    @Override
+    public final boolean equals(Object obj) {
+        return super.equals(obj);
+    }
+
+    @Override
+    public final String toString() {
+        return super.toString();
+    }
+
+    @Override
+    public final int hashCode() {
+        return super.hashCode();
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/github/openautonomousconnection/protocol/classic/Classic_PingPacketReceivedEvent.java b/src/main/java/github/openautonomousconnection/protocol/classic/Classic_PingPacketReceivedEvent.java
new file mode 100644
index 0000000..3200b2c
--- /dev/null
+++ b/src/main/java/github/openautonomousconnection/protocol/classic/Classic_PingPacketReceivedEvent.java
@@ -0,0 +1,40 @@
+package github.openautonomousconnection.protocol.classic;
+
+import me.finn.unlegitlibrary.event.impl.Event;
+
+public class Classic_PingPacketReceivedEvent extends Event {
+
+    public final Classic_ProtocolVersion protocolVersion;
+    public final Classic_Domain domain;
+    public final Classic_RequestDomain requestDomain;
+    public final boolean reachable;
+    public final int clientID;
+
+    public Classic_PingPacketReceivedEvent(Classic_ProtocolVersion protocolVersion, Classic_Domain domain, Classic_RequestDomain requestDomain, boolean reachable, int clientID) {
+        this.protocolVersion = protocolVersion;
+        this.domain = domain;
+        this.requestDomain = requestDomain;
+        this.reachable = reachable;
+        this.clientID = clientID;
+    }
+
+    @Override
+    protected final Object clone() throws CloneNotSupportedException {
+        return super.clone();
+    }
+
+    @Override
+    public final boolean equals(Object obj) {
+        return super.equals(obj);
+    }
+
+    @Override
+    public final String toString() {
+        return super.toString();
+    }
+
+    @Override
+    public final int hashCode() {
+        return super.hashCode();
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/github/openautonomousconnection/protocol/handle/ClassicHandler.java b/src/main/java/github/openautonomousconnection/protocol/handle/ClassicHandler.java
deleted file mode 100644
index fb3c824..0000000
--- a/src/main/java/github/openautonomousconnection/protocol/handle/ClassicHandler.java
+++ /dev/null
@@ -1,9 +0,0 @@
-package github.openautonomousconnection.protocol.handle;
-
-import me.finn.unlegitlibrary.network.system.server.ConnectionHandler;
-
-public abstract class ClassicHandler {
-
-    public abstract void handleMessage(ConnectionHandler connectionHandler, String message);
-
-}
diff --git a/src/main/java/github/openautonomousconnection/protocol/handle/ClassicHandlerServer.java b/src/main/java/github/openautonomousconnection/protocol/handle/ClassicHandlerServer.java
new file mode 100644
index 0000000..101de7f
--- /dev/null
+++ b/src/main/java/github/openautonomousconnection/protocol/handle/ClassicHandlerServer.java
@@ -0,0 +1,13 @@
+package github.openautonomousconnection.protocol.handle;
+
+import github.openautonomousconnection.protocol.classic.Classic_Domain;
+import github.openautonomousconnection.protocol.classic.Classic_RequestDomain;
+import me.finn.unlegitlibrary.network.system.server.ConnectionHandler;
+
+import java.sql.SQLException;
+
+public abstract class ClassicHandlerServer {
+    public abstract void handleMessage(ConnectionHandler connectionHandler, String message);
+    public abstract Classic_Domain getDomain(Classic_RequestDomain requestDomain) throws SQLException;
+    public abstract Classic_Domain ping(Classic_RequestDomain requestDomain) throws SQLException;
+}
diff --git a/src/main/java/github/openautonomousconnection/protocol/packets/v1_0_0/classic/DomainPacket.java b/src/main/java/github/openautonomousconnection/protocol/packets/v1_0_0/classic/DomainPacket.java
index fac7aae..60159b3 100644
--- a/src/main/java/github/openautonomousconnection/protocol/packets/v1_0_0/classic/DomainPacket.java
+++ b/src/main/java/github/openautonomousconnection/protocol/packets/v1_0_0/classic/DomainPacket.java
@@ -3,21 +3,22 @@ package github.openautonomousconnection.protocol.packets.v1_0_0.classic;
 import github.openautonomousconnection.protocol.ProtocolBridge;
 import github.openautonomousconnection.protocol.ProtocolVersion;
 import github.openautonomousconnection.protocol.classic.Classic_Domain;
+import github.openautonomousconnection.protocol.classic.Classic_DomainPacketReceivedEvent;
 import github.openautonomousconnection.protocol.classic.Classic_ProtocolVersion;
 import github.openautonomousconnection.protocol.classic.Classic_RequestDomain;
 import github.openautonomousconnection.protocol.packets.OACPacket;
-import me.finn.unlegitlibrary.network.system.packets.Packet;
 import me.finn.unlegitlibrary.network.system.packets.PacketHandler;
 
 import java.io.IOException;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
+import java.sql.SQLException;
 
 // ProtocolVersion 1.0.0-CLASSIC is ProtocolSide Server only
 public class DomainPacket extends OACPacket {
-    private final Classic_RequestDomain requestDomain;
-    private final Classic_Domain domain;
-    private final int clientID;
+    private Classic_RequestDomain requestDomain;
+    private Classic_Domain domain;
+    private int clientID;
 
     public DomainPacket(ProtocolBridge protocolBridge, int toClient, Classic_RequestDomain requestDomain, Classic_Domain domain) {
         super(2, ProtocolVersion.ProtocolType.CLASSIC, protocolBridge);
@@ -37,6 +38,17 @@ public class DomainPacket extends OACPacket {
 
     @Override
     public void read(PacketHandler packetHandler, ObjectInputStream objectInputStream) throws IOException, ClassNotFoundException {
+        clientID = objectInputStream.readInt();
+        requestDomain = (Classic_RequestDomain) objectInputStream.readObject();
+        Classic_ProtocolVersion protocolVersion = (Classic_ProtocolVersion) objectInputStream.readObject();
 
+        try {
+            domain = getProtocolBridge().getClassicHandlerServer().getDomain(requestDomain);
+        } catch (SQLException exception) {
+            exception.printStackTrace();
+        }
+
+        getProtocolBridge().getProtocolServer().getNetworkServer().getEventManager().executeEvent(new Classic_DomainPacketReceivedEvent(protocolVersion, domain, requestDomain, clientID));
+        getProtocolBridge().getProtocolServer().getNetworkServer().getConnectionHandlerByID(clientID).sendPacket(new DomainPacket(getProtocolBridge(), clientID, requestDomain, domain));
     }
 }
diff --git a/src/main/java/github/openautonomousconnection/protocol/packets/v1_0_0/classic/MessagePacket.java b/src/main/java/github/openautonomousconnection/protocol/packets/v1_0_0/classic/MessagePacket.java
index 63e62a7..f7b069e 100644
--- a/src/main/java/github/openautonomousconnection/protocol/packets/v1_0_0/classic/MessagePacket.java
+++ b/src/main/java/github/openautonomousconnection/protocol/packets/v1_0_0/classic/MessagePacket.java
@@ -4,7 +4,6 @@ import github.openautonomousconnection.protocol.ProtocolBridge;
 import github.openautonomousconnection.protocol.ProtocolVersion;
 import github.openautonomousconnection.protocol.classic.Classic_ProtocolVersion;
 import github.openautonomousconnection.protocol.packets.OACPacket;
-import github.openautonomousconnection.protocol.side.ProtocolClient;
 import me.finn.unlegitlibrary.network.system.packets.PacketHandler;
 
 import java.io.IOException;
@@ -14,7 +13,6 @@ import java.io.ObjectOutputStream;
 // ProtocolVersion 1.0.0-CLASSIC is ProtocolSide Server only
 public class MessagePacket extends OACPacket {
     private final String message;
-    private Classic_ProtocolVersion protocolVersion;
     private final int clientID;
 
     public MessagePacket(String message, int toClient, ProtocolBridge protocolBridge) {
@@ -35,8 +33,8 @@ public class MessagePacket extends OACPacket {
     public void read(PacketHandler packetHandler, ObjectInputStream objectInputStream) throws IOException, ClassNotFoundException {
         int clientID = objectInputStream.readInt();
         String message = objectInputStream.readUTF();
-        protocolVersion = (Classic_ProtocolVersion) objectInputStream.readObject();
+        Classic_ProtocolVersion protocolVersion = (Classic_ProtocolVersion) objectInputStream.readObject();
 
-        getProtocolBridge().getClassicHandler().handleMessage(getProtocolBridge().getProtocolServer().getNetworkServer().getConnectionHandlerByID(clientID), message);
+        getProtocolBridge().getClassicHandlerServer().handleMessage(getProtocolBridge().getProtocolServer().getNetworkServer().getConnectionHandlerByID(clientID), message);
     }
 }
diff --git a/src/main/java/github/openautonomousconnection/protocol/packets/v1_0_0/classic/PingPacket.java b/src/main/java/github/openautonomousconnection/protocol/packets/v1_0_0/classic/PingPacket.java
index 22e5df8..6ed1145 100644
--- a/src/main/java/github/openautonomousconnection/protocol/packets/v1_0_0/classic/PingPacket.java
+++ b/src/main/java/github/openautonomousconnection/protocol/packets/v1_0_0/classic/PingPacket.java
@@ -1,4 +1,58 @@
 package github.openautonomousconnection.protocol.packets.v1_0_0.classic;
 
-public class PingPacket {
+import github.openautonomousconnection.protocol.ProtocolBridge;
+import github.openautonomousconnection.protocol.ProtocolVersion;
+import github.openautonomousconnection.protocol.classic.Classic_Domain;
+import github.openautonomousconnection.protocol.classic.Classic_PingPacketReceivedEvent;
+import github.openautonomousconnection.protocol.classic.Classic_ProtocolVersion;
+import github.openautonomousconnection.protocol.classic.Classic_RequestDomain;
+import github.openautonomousconnection.protocol.packets.OACPacket;
+import me.finn.unlegitlibrary.network.system.packets.PacketHandler;
+
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.sql.SQLException;
+
+public class PingPacket extends OACPacket {
+    private Classic_RequestDomain requestDomain;
+    private Classic_Domain domain;
+    private int clientID;
+    private boolean reachable;
+    private Classic_ProtocolVersion protocolVersion;
+
+    public PingPacket(ProtocolBridge protocolBridge, Classic_RequestDomain requestDomain, Classic_Domain domain, boolean reachable) {
+        super(1, ProtocolVersion.ProtocolType.CLASSIC, protocolBridge);
+
+        this.requestDomain = requestDomain;
+        this.domain = domain;
+        this.reachable = reachable;
+        this.protocolVersion = Classic_ProtocolVersion.PV_1_0_0;
+    }
+
+    @Override
+    public void write(PacketHandler packetHandler, ObjectOutputStream objectOutputStream) throws IOException, ClassNotFoundException {
+        objectOutputStream.writeInt(clientID);
+        objectOutputStream.writeObject(requestDomain);
+        objectOutputStream.writeObject(domain);
+        objectOutputStream.writeBoolean(reachable);
+        objectOutputStream.writeObject(protocolVersion);
+    }
+
+    @Override
+    public void read(PacketHandler packetHandler, ObjectInputStream objectInputStream) throws IOException, ClassNotFoundException {
+        clientID = objectInputStream.readInt();
+        requestDomain = (Classic_RequestDomain) objectInputStream.readObject();
+        protocolVersion = (Classic_ProtocolVersion) objectInputStream.readObject();
+
+        try {
+            domain = getProtocolBridge().getClassicHandlerServer().ping(requestDomain);
+        } catch (SQLException exception) {
+            exception.printStackTrace();
+        }
+
+        reachable = domain != null;
+        getProtocolBridge().getProtocolServer().getNetworkServer().getEventManager().executeEvent(new Classic_PingPacketReceivedEvent(protocolVersion, domain, requestDomain, reachable, clientID));
+        getProtocolBridge().getProtocolServer().getNetworkServer().getConnectionHandlerByID(clientID).sendPacket(new PingPacket(getProtocolBridge(), requestDomain, domain, reachable));
+    }
 }
diff --git a/src/main/java/github/openautonomousconnection/protocol/side/ProtocolServer.java b/src/main/java/github/openautonomousconnection/protocol/side/ProtocolServer.java
index 709b84d..91317c7 100644
--- a/src/main/java/github/openautonomousconnection/protocol/side/ProtocolServer.java
+++ b/src/main/java/github/openautonomousconnection/protocol/side/ProtocolServer.java
@@ -1,7 +1,6 @@
 package github.openautonomousconnection.protocol.side;
 
 import github.openautonomousconnection.protocol.ProtocolBridge;
-import github.openautonomousconnection.protocol.handle.ClassicHandler;
 import lombok.Getter;
 import me.finn.unlegitlibrary.network.system.server.NetworkServer;