fix: do not fail when a record cannot be updated

pkg/realDynDns/realDynDns.go

@@ -85,7 +85,7 @@ func (c *ChangeDetector) detectAndApplyChanges() (int, error) {
 					slog.String("tld", domain.TLD),
 					slog.String("subdomain", subdomain),
 				)
-				return numberUpdated, err
+				continue
 			}
 
 			if currentRecord.IP != externalIp.String() {
@@ -104,7 +104,7 @@ func (c *ChangeDetector) detectAndApplyChanges() (int, error) {
 					c.logger.Warn("Failed to send notification",
 						slog.String("error", err.Error()),
 					)
-					return numberUpdated, err
+					continue
 				}
 
 				c.logger.Info("Updating record",
@@ -120,7 +120,7 @@ func (c *ChangeDetector) detectAndApplyChanges() (int, error) {
 						slog.String("tld", domain.TLD),
 						slog.String("subdomain", subdomain),
 					)
-					return numberUpdated, err
+					continue
 				}
 				numberUpdated++
 			}