@@ -26,25 +26,27 @@
 
 /*!
  * @brief The class of a DNS resource record.
  */
 typedef enum {
-	OF_DNS_RESOURCE_RECORD_CLASS_IN = 1
+	OF_DNS_RESOURCE_RECORD_CLASS_IN	 =   1,
+	OF_DNS_RESOURCE_RECORD_CLASS_ANY = 255,
 } of_dns_resource_record_class_t;
 
 /*!
  * @brief The type of a DNS resource record.
  */
 typedef enum {
-	OF_DNS_RESOURCE_RECORD_TYPE_A	  = 1,
-	OF_DNS_RESOURCE_RECORD_TYPE_NS	  = 2,
-	OF_DNS_RESOURCE_RECORD_TYPE_CNAME = 5,
-	OF_DNS_RESOURCE_RECORD_TYPE_SOA	  = 6,
-	OF_DNS_RESOURCE_RECORD_TYPE_PTR	  = 12,
-	OF_DNS_RESOURCE_RECORD_TYPE_MX	  = 15,
-	OF_DNS_RESOURCE_RECORD_TYPE_TXT	  = 16,
-	OF_DNS_RESOURCE_RECORD_TYPE_AAAA  = 28
+	OF_DNS_RESOURCE_RECORD_TYPE_A	  =   1,
+	OF_DNS_RESOURCE_RECORD_TYPE_NS	  =   2,
+	OF_DNS_RESOURCE_RECORD_TYPE_CNAME =   5,
+	OF_DNS_RESOURCE_RECORD_TYPE_SOA	  =   6,
+	OF_DNS_RESOURCE_RECORD_TYPE_PTR	  =  12,
+	OF_DNS_RESOURCE_RECORD_TYPE_MX	  =  15,
+	OF_DNS_RESOURCE_RECORD_TYPE_TXT	  =  16,
+	OF_DNS_RESOURCE_RECORD_TYPE_AAAA  =  28,
+	OF_DNS_RESOURCE_RECORD_TYPE_ALL	  = 255,
 } of_dns_resource_record_type_t;
 
 /*!
  * @class OFDNSResourceRecord OFDNSResourceRecord.h ObjFW/OFDNSResourceRecord.h
  *