fixed Relay Config

.env

@@ -0,0 +1,51 @@
+# DNS Server Configuration
+DNS_PORT=10053
+
+# Relay Configuration
+DNS_RELAY_SERVERS=8.8.8.8,1.1.1.1
+
+# API Configuration
+DNS_API_PORT=8080  # Port for ACME HTTP API
+DNS_API_TOKEN=1234
+
+# TTL Configuration (in seconds)
+DNS_DEFAULT_TTL=60
+
+# A Records
+# Format: domain|ip|ttl or domain|service:servicename|ttl
+A_REC1=app1.example.com|10.10.0.1|300
+A_REC2=app2.example.com|10.10.0.2|300
+# A_REC3=static.example.com|10.0.0.50
+# A_REC4=*.example.com|192.168.1.100|300
+
+# CNAME Records
+# Format: domain|target|ttl
+# CNAME_REC1=www.example.com|app.example.com|3600
+# CNAME_REC2=docs.example.com|documentation.service.local
+# CNAME_REC3=blog.example.com|app.example.com|600
+
+# MX Records
+# Format: domain|priority|mailserver|ttl
+# MX_REC1=example.com|10|mail1.example.com|3600
+# MX_REC2=example.com|20|mail2.example.com|3600
+# MX_REC3=example.com|30|mail-backup.example.com|3600
+
+# TXT Records
+# Format: domain|"text value"|ttl
+# TXT_REC1=example.com|v=spf1 include:_spf.example.com ~all|3600
+# TXT_REC2=_dmarc.example.com|v=DMARC1; p=reject; rua=mailto:dmarc@example.com
+# TXT_REC3=_acme-challenge.example.com|validation-token-here|60
+# TXT_REC4=mail._domainkey.example.com|v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4|3600
+
+# Service Discovery Examples
+# A_REC5=db.local|service:postgres.default.svc.cluster.local|60
+# A_REC6=redis.local|service:redis.default.svc.cluster.local|60
+# A_REC7=kafka.local|service:kafka.kafka.svc.cluster.local|60
+
+# Load Balancing Examples
+# A_REC8=api.local|192.168.1.10|60
+# A_REC9=api.local|192.168.1.11|60
+# A_REC10=api.local|192.168.1.12|60
+
+# Note: All TTL values are optional and will default to DNS_DEFAULT_TTL if not specified
+# Note: Service references will be automatically resolved in Docker/Kubernetes environments

pkg/config/config.go

@@ -50,28 +50,29 @@ func GetRelayConfig() RelayConfig {
 		// Split and clean nameserver addresses
 		rawServers := strings.Split(servers, ",")
 		validServers := make([]string, 0, len(rawServers))
+		hasInvalid := false
 
 		for _, server := range rawServers {
 			server = strings.TrimSpace(server)
+
+			// Skip empty entries
 			if server == "" {
 				continue
-			}
-
-			// Basic validation of nameserver address
-			if !isValidNameserver(server) {
+			} else if !isValidNameserver(server) {
 				log.Printf("Warning: Invalid nameserver address: %s", server)
+				hasInvalid = true
 				continue
 			}
 
 			validServers = append(validServers, server)
 		}
 
-		// Only enable if we have valid servers
-		if len(validServers) > 0 {
+		// Enable only if all provided servers are valid
+		if len(validServers) > 0 && !hasInvalid {
 			config.Enabled = true
 			config.Nameservers = validServers
 		} else {
-			log.Print("Warning: DNS relay disabled due to no valid nameservers")
+			log.Print("Warning: DNS relay disabled due to invalid nameserver entries")
 		}
 	}