diff --git a/providers/autodns/autoDnsProvider.go b/providers/autodns/autoDnsProvider.go
index cb371a2f8..7682118c5 100644
--- a/providers/autodns/autoDnsProvider.go
+++ b/providers/autodns/autoDnsProvider.go
@@ -339,10 +339,22 @@ func toRecordConfig(domain string, record *ResourceRecord) *models.RecordConfig
 		found := re.FindStringSubmatch(record.Value)
 
 		weight, _ := strconv.Atoi(found[1])
-		rc.SrvWeight = uint16(weight)
+		if weight < 0 {
+			rc.SrvWeight = 0
+		} else if weight > 65535 {
+			rc.SrvWeight = 65535
+		} else {
+			rc.SrvWeight = uint16(weight)
+		}
 
 		port, _ := strconv.Atoi(found[2])
-		rc.SrvPort = uint16(port)
+		if port < 0 {
+			rc.SrvPort = 0
+		} else if port > 65535 {
+			rc.SrvPort = 65535
+		} else {
+			rc.SrvPort = uint16(port)
+		}
 
 		rc.SetTarget(found[3])
 	}