app.py

@@ -35,6 +35,29 @@ def get_user_scanner():
         existing_scanner = session_manager.get_session(current_flask_session_id)
         if existing_scanner:
             return current_flask_session_id, existing_scanner
+        else:
+            print(f"Session {current_flask_session_id} not found in Redis, checking for active sessions...")
+    
+    # This prevents creating duplicate sessions when Flask session is lost but Redis session exists
+    stats = session_manager.get_statistics()
+    if stats['running_scans'] > 0:
+        # Get all session keys and find running ones
+        try:
+            import redis
+            redis_client = redis.StrictRedis(db=0, decode_responses=False)
+            session_keys = redis_client.keys("dnsrecon:session:*")
+            
+            for session_key in session_keys:
+                session_id = session_key.decode('utf-8').split(':')[-1]
+                scanner = session_manager.get_session(session_id)
+                if scanner and scanner.status in ['running', 'completed']:
+                    print(f"Reusing active session: {session_id}")
+                    # Update Flask session to match
+                    session['dnsrecon_session_id'] = session_id
+                    session.permanent = True
+                    return session_id, scanner
+        except Exception as e:
+            print(f"Error finding active session: {e}")
     
     # Create new session if none exists
     print("Creating new session as none was found...")
@@ -44,10 +67,11 @@ def get_user_scanner():
     if not new_scanner:
         raise Exception("Failed to create new scanner session")
     
-    # Store in Flask session
+    # Store in Flask session with explicit settings
     session['dnsrecon_session_id'] = new_session_id
     session.permanent = True
     
+    print(f"Created new session: {new_session_id}")
     return new_session_id, new_scanner
 
 @app.route('/')
@@ -240,16 +264,14 @@ def get_scan_status():
 
 @app.route('/api/graph', methods=['GET'])
 def get_graph_data():
-    """Get current graph data with error handling."""
+    """Get current graph data with error handling and proper empty graph structure."""
     try:
         # Get user-specific scanner
         user_session_id, scanner = get_user_scanner()
         
         if not scanner:
-            # Return empty graph if no scanner
+            # FIXED: Return proper empty graph structure instead of None
-            return jsonify({
+            empty_graph = {
-                'success': True,
-                'graph': {
                 'nodes': [],
                 'edges': [],
                 'statistics': {
@@ -258,11 +280,40 @@ def get_graph_data():
                     'creation_time': datetime.now(timezone.utc).isoformat(),
                     'last_modified': datetime.now(timezone.utc).isoformat()
                 }
-                },
+            }
+            return jsonify({
+                'success': True,
+                'graph': empty_graph,
                 'user_session_id': user_session_id
             })
         
         graph_data = scanner.get_graph_data()
+        
+        if not graph_data:
+            graph_data = {
+                'nodes': [],
+                'edges': [],
+                'statistics': {
+                    'node_count': 0,
+                    'edge_count': 0,
+                    'creation_time': datetime.now(timezone.utc).isoformat(),
+                    'last_modified': datetime.now(timezone.utc).isoformat()
+                }
+            }
+        
+        # FIXED: Ensure required fields exist
+        if 'nodes' not in graph_data:
+            graph_data['nodes'] = []
+        if 'edges' not in graph_data:
+            graph_data['edges'] = []
+        if 'statistics' not in graph_data:
+            graph_data['statistics'] = {
+                'node_count': len(graph_data['nodes']),
+                'edge_count': len(graph_data['edges']),
+                'creation_time': datetime.now(timezone.utc).isoformat(),
+                'last_modified': datetime.now(timezone.utc).isoformat()
+            }
+        
         return jsonify({
             'success': True,
             'graph': graph_data,
@@ -272,13 +323,20 @@ def get_graph_data():
     except Exception as e:
         print(f"ERROR: Exception in get_graph_data endpoint: {e}")
         traceback.print_exc()
+        
+        # FIXED: Return proper error structure with empty graph fallback
         return jsonify({
             'success': False,
             'error': f'Internal server error: {str(e)}',
             'fallback_graph': {
                 'nodes': [],
                 'edges': [],
-                'statistics': {'node_count': 0, 'edge_count': 0}
+                'statistics': {
+                    'node_count': 0, 
+                    'edge_count': 0,
+                    'creation_time': datetime.now(timezone.utc).isoformat(),
+                    'last_modified': datetime.now(timezone.utc).isoformat()
+                }
             }
         }), 500
 

core/graph_manager.py

@@ -477,8 +477,13 @@ class GraphManager:
         }
 
     def _get_confidence_distribution(self) -> Dict[str, int]:
-        """Get distribution of edge confidence scores."""
+        """Get distribution of edge confidence scores with empty graph handling."""
         distribution = {'high': 0, 'medium': 0, 'low': 0}
+        
+        # FIXED: Handle empty graph case
+        if self.get_edge_count() == 0:
+            return distribution
+            
         for _, _, data in self.graph.edges(data=True):
             confidence = data.get('confidence_score', 0)
             if confidence >= 0.8:
@@ -490,22 +495,42 @@ class GraphManager:
         return distribution
 
     def get_statistics(self) -> Dict[str, Any]:
-        """Get comprehensive statistics about the graph."""
+        """Get comprehensive statistics about the graph with proper empty graph handling."""
-        stats = {'basic_metrics': {'total_nodes': self.get_node_count(),
+        
-                                   'total_edges': self.get_edge_count(),
+        # FIXED: Handle empty graph case properly
+        node_count = self.get_node_count()
+        edge_count = self.get_edge_count()
+        
+        stats = {
+            'basic_metrics': {
+                'total_nodes': node_count,
+                'total_edges': edge_count,
                 'creation_time': self.creation_time,
-                                   'last_modified': self.last_modified},
+                'last_modified': self.last_modified
-                 'node_type_distribution': {}, 'relationship_type_distribution': {},
+            },
+            'node_type_distribution': {}, 
+            'relationship_type_distribution': {},
             'confidence_distribution': self._get_confidence_distribution(),
-                 'provider_distribution': {}}
+            'provider_distribution': {}
-        # Calculate distributions
+        }
+        
+        # FIXED: Only calculate distributions if we have data
+        if node_count > 0:
+            # Calculate node type distributions
             for node_type in NodeType:
-            stats['node_type_distribution'][node_type.value] = self.get_nodes_by_type(node_type).__len__()
+                count = len(self.get_nodes_by_type(node_type))
+                if count > 0:  # Only include types that exist
+                    stats['node_type_distribution'][node_type.value] = count
+        
+        if edge_count > 0:
+            # Calculate edge distributions
             for _, _, data in self.graph.edges(data=True):
                 rel_type = data.get('relationship_type', 'unknown')
                 stats['relationship_type_distribution'][rel_type] = stats['relationship_type_distribution'].get(rel_type, 0) + 1
+                
                 provider = data.get('source_provider', 'unknown')
                 stats['provider_distribution'][provider] = stats['provider_distribution'].get(provider, 0) + 1
+        
         return stats
 
     def clear(self) -> None:

providers/dns_provider.py

@@ -50,6 +50,7 @@ class DNSProvider(BaseProvider):
     def query_domain(self, domain: str) -> ProviderResult:
         """
         Query DNS records for the domain to discover relationships and attributes.
+        FIXED: Now creates separate attributes for each DNS record type.
         
         Args:
             domain: Domain to investigate
@@ -62,7 +63,7 @@ class DNSProvider(BaseProvider):
 
         result = ProviderResult()
 
-        # Query all record types
+        # Query all record types - each gets its own attribute
         for record_type in ['A', 'AAAA', 'CNAME', 'MX', 'NS', 'SOA', 'TXT', 'SRV', 'CAA']:
             try:
                 self._query_record(domain, record_type, result)
@@ -97,6 +98,7 @@ class DNSProvider(BaseProvider):
             response = self.resolver.resolve(reverse_name, 'PTR')
             self.successful_requests += 1
 
+            ptr_records = []
             for ptr_record in response:
                 hostname = str(ptr_record).rstrip('.')
 
@@ -116,16 +118,8 @@ class DNSProvider(BaseProvider):
                         }
                     )
 
-                    # Add PTR record as attribute to the IP
+                    # Add to PTR records list
-                    result.add_attribute(
+                    ptr_records.append(f"PTR: {hostname}")
-                        target_node=ip,
-                        name='ptr_record',
-                        value=hostname,
-                        attr_type='dns_record',
-                        provider=self.name,
-                        confidence=0.8,
-                        metadata={'ttl': response.ttl}
-                    )
 
                     # Log the relationship discovery
                     self.log_relationship_discovery(
@@ -142,6 +136,18 @@ class DNSProvider(BaseProvider):
                         discovery_method="reverse_dns_lookup"
                     )
 
+            # Add PTR records as separate attribute
+            if ptr_records:
+                result.add_attribute(
+                    target_node=ip,
+                    name='ptr_records',  # Specific name for PTR records
+                    value=ptr_records,
+                    attr_type='dns_record',
+                    provider=self.name,
+                    confidence=0.8,
+                    metadata={'ttl': response.ttl}
+                )
+
         except resolver.NXDOMAIN:
             self.failed_requests += 1
             self.logger.logger.debug(f"Reverse DNS lookup failed for {ip}: NXDOMAIN")
@@ -155,7 +161,7 @@ class DNSProvider(BaseProvider):
 
     def _query_record(self, domain: str, record_type: str, result: ProviderResult) -> None:
         """
-        UPDATED: Query DNS records with minimal formatting - keep raw values.
+        FIXED: Query DNS records with unique attribute names for each record type.
         """
         try:
             self.total_requests += 1
@@ -175,16 +181,16 @@ class DNSProvider(BaseProvider):
                 elif record_type == 'SOA':
                     target = str(record.mname).rstrip('.')
                 elif record_type in ['TXT']:
-                    # UPDATED: Keep raw TXT record value
+                    # Keep raw TXT record value
                     txt_value = str(record).strip('"')
-                    dns_records.append(f"TXT: {txt_value}")
+                    dns_records.append(txt_value)  # Just the value for TXT
                     continue
                 elif record_type == 'SRV':
                     target = str(record.target).rstrip('.')
                 elif record_type == 'CAA':
-                    # UPDATED: Keep raw CAA record format
+                    # Keep raw CAA record format
                     caa_value = f"{record.flags} {record.tag.decode('utf-8')} \"{record.value.decode('utf-8')}\""
-                    dns_records.append(f"CAA: {caa_value}")
+                    dns_records.append(caa_value)  # Just the value for CAA
                     continue
                 else:
                     target = str(record)
@@ -196,7 +202,7 @@ class DNSProvider(BaseProvider):
                         'value': target,
                         'ttl': response.ttl
                     }
-                    relationship_type = f"{record_type.lower()}_record"  # Raw relationship type
+                    relationship_type = f"{record_type.lower()}_record"
                     confidence = 0.8
 
                     # Add relationship
@@ -209,8 +215,8 @@ class DNSProvider(BaseProvider):
                         raw_data=raw_data
                     )
 
-                    # UPDATED: Keep raw DNS record format
+                    # Add target to records list
-                    dns_records.append(f"{record_type}: {target}")
+                    dns_records.append(target)
 
                     # Log relationship discovery
                     self.log_relationship_discovery(
@@ -222,20 +228,22 @@ class DNSProvider(BaseProvider):
                         discovery_method=f"dns_{record_type.lower()}_record"
                     )
 
-            # Add DNS records as a consolidated attribute (raw format)
+            # FIXED: Create attribute with specific name for each record type
             if dns_records:
+                # Use record type specific attribute name (e.g., 'a_records', 'mx_records', etc.)
+                attribute_name = f"{record_type.lower()}_records"
+                
                 result.add_attribute(
                     target_node=domain,
-                    name='dns_records',
+                    name=attribute_name,  # UNIQUE name for each record type!
                     value=dns_records,
                     attr_type='dns_record_list',
                     provider=self.name,
                     confidence=0.8,
-                    metadata={'record_types': [record_type]}
+                    metadata={'record_type': record_type, 'ttl': response.ttl}
                 )
 
         except Exception as e:
             self.failed_requests += 1
             self.logger.logger.debug(f"{record_type} record query failed for {domain}: {e}")
             raise e
-

static/js/graph.js

@@ -377,6 +377,21 @@ class GraphManager {
                 this.initialize();
             }
 
+            // Check if we have actual data to display
+            const hasData = graphData.nodes.length > 0 || graphData.edges.length > 0;
+            
+            // Handle placeholder visibility
+            const placeholder = this.container.querySelector('.graph-placeholder');
+            if (placeholder) {
+                if (hasData) {
+                    placeholder.style.display = 'none';
+                } else {
+                    placeholder.style.display = 'flex';
+                    // Early return if no data to process
+                    return;
+                }
+            }
+
             this.largeEntityMembers.clear();
             const largeEntityMap = new Map();
             
@@ -398,11 +413,11 @@ class GraphManager {
 
             console.log(`Filtered ${graphData.nodes.length - filteredNodes.length} large entity member nodes from visualization`);
 
-            // FIXED: Process nodes with proper certificate coloring
+            // Process nodes with proper certificate coloring
             const processedNodes = filteredNodes.map(node => {
                 const processed = this.processNode(node);
                 
-                // FIXED: Apply certificate-based coloring here in frontend
+                // Apply certificate-based coloring here in frontend
                 if (node.type === 'domain' && Array.isArray(node.attributes)) {
                     const certInfo = this.analyzeCertificateInfo(node.attributes);
                     

static/js/main.js

@@ -35,6 +35,9 @@ class DNSReconApp {
                 this.loadProviders();
                 this.initializeEnhancedModals();
                 
+                // FIXED: Force initial graph update to handle empty sessions properly
+                this.updateGraph();
+                
                 console.log('DNSRecon application initialized successfully');
             } catch (error) {
                 console.error('Failed to initialize DNSRecon application:', error);
@@ -484,9 +487,8 @@ class DNSReconApp {
                 console.log('- Nodes:', graphData.nodes ? graphData.nodes.length : 0);
                 console.log('- Edges:', graphData.edges ? graphData.edges.length : 0);
                 
-                // Only update if data has changed
+                // FIXED: Always update graph, even if empty - let GraphManager handle placeholder
-                if (this.hasGraphChanged(graphData)) {
+                if (this.graphManager) {
-                    console.log('*** GRAPH DATA CHANGED - UPDATING VISUALIZATION ***');
                     this.graphManager.updateGraph(graphData);
                     this.lastGraphUpdate = Date.now();
                     
@@ -495,18 +497,30 @@ class DNSReconApp {
                     if (this.elements.relationshipsDisplay) {
                         this.elements.relationshipsDisplay.textContent = edgeCount;
                     }
-                } else {
-                    console.log('Graph data unchanged, skipping update');
                 }
             } else {
                 console.error('Graph update failed:', response);
+                // FIXED: Show placeholder when graph update fails
+                if (this.graphManager && this.graphManager.container) {
+                    const placeholder = this.graphManager.container.querySelector('.graph-placeholder');
+                    if (placeholder) {
+                        placeholder.style.display = 'flex';
+                    }
+                }
             }
             
         } catch (error) {
             console.error('Failed to update graph:', error);
-            // Don't show error for graph updates to avoid spam
+            // FIXED: Show placeholder on error
+            if (this.graphManager && this.graphManager.container) {
+                const placeholder = this.graphManager.container.querySelector('.graph-placeholder');
+                if (placeholder) {
+                    placeholder.style.display = 'flex';
                 }
             }
+        }
+    }
+
     
     /**
      * Update status display elements
@@ -925,18 +939,32 @@ class DNSReconApp {
                 return 'Empty Array';
             }
             
-            // Special handling for DNS records and similar arrays
+            // ENHANCED: Special handling for specific DNS record types
-            if (name === 'dns_records' || name.includes('record') || name.includes('hostname')) {
+            if (name.endsWith('_records') || name.includes('record')) {
-                // Show DNS records as a readable list
+                const recordType = name.replace('_records', '').toUpperCase();
+                
+                // Format nicely for DNS records
                 if (value.length <= 5) {
-                    return this.escapeHtml(value.join(', '));
+                    const formattedRecords = value.map(record => {
+                        // Add record type prefix if not already present
+                        if (recordType !== 'DNS' && !record.includes(':')) {
+                            return `${recordType}: ${record}`;
+                        }
+                        return record;
+                    });
+                    return this.escapeHtml(formattedRecords.join('\n'));
                 } else {
-                    const preview = value.slice(0, 3).join(', ');
+                    const preview = value.slice(0, 3).map(record => {
-                    return this.escapeHtml(`${preview} ... (+${value.length - 3} more)`);
+                        if (recordType !== 'DNS' && !record.includes(':')) {
+                            return `${recordType}: ${record}`;
+                        }
+                        return record;
+                    }).join('\n');
+                    return this.escapeHtml(`${preview}\n... (+${value.length - 3} more ${recordType} records)`);
                 }
             }
             
-            // For other arrays
+            // For other arrays (existing logic)
             if (value.length <= 3) {
                 return this.escapeHtml(value.join(', '));
             } else {
@@ -953,6 +981,10 @@ class DNSReconApp {
     }
 
     groupAttributesByProviderAndType(attributes, nodeType) {
+        if (!Array.isArray(attributes) || attributes.length === 0) {
+            return {};
+        }
+
         const groups = {
             'DNS Records': { icon: '📋', priority: 'high', attributes: [] },
             'Certificate Information': { icon: '🔒', priority: 'high', attributes: [] },
@@ -968,11 +1000,11 @@ class DNSReconApp {
 
             let assigned = false;
 
-            // DNS-related attributes (better detection)
+            // ENHANCED: Better DNS record detection for specific record types
             if (provider === 'dns' || 
-                name === 'dns_records' || 
+                name.endsWith('_records') ||  // Catches a_records, mx_records, txt_records, etc.
                 name.includes('record') || 
-                ['ptr', 'mx', 'cname', 'ns', 'txt', 'soa'].some(keyword => name.includes(keyword))) {
+                ['ptr', 'mx', 'cname', 'ns', 'txt', 'soa', 'srv', 'caa', 'a_records', 'aaaa_records'].some(keyword => name.includes(keyword))) {
                 groups['DNS Records'].attributes.push(attr);
                 assigned = true;
             }
@@ -1013,7 +1045,6 @@ class DNSReconApp {
     formatEdgeLabel(relationshipType, confidence) {
         if (!relationshipType) return '';
 
-        // UPDATED: No formatting of relationship type - use raw values
         const confidenceText = confidence >= 0.8 ? '●' : confidence >= 0.6 ? '◐' : '○';
         return `${relationshipType} ${confidenceText}`;
     }
@@ -1695,6 +1726,11 @@ class DNSReconApp {
         const newNodeCount = graphData.nodes ? graphData.nodes.length : 0;
         const newEdgeCount = graphData.edges ? graphData.edges.length : 0;
         
+        // FIXED: Always update if we currently have no data (ensures placeholder is handled correctly)
+        if (currentStats.nodeCount === 0 && currentStats.edgeCount === 0) {
+            return true;
+        }
+        
         // Check if counts changed
         const countsChanged = currentStats.nodeCount !== newNodeCount || currentStats.edgeCount !== newEdgeCount;