An object may support checking.Logical formLearned from2 sentences. An (account balance) may undergo a checking.Logical formLearned from2 sentences. An implementation may support (type checkings).Logical formLearned from2 sentences. (Address checking) may fail.Logical formLearned from2 sentences. Provisions can be for (security checking).Logical formLearned from2 sentences. Ones may undergo a checking.Logical formLearned from2 sentences. A lack of checking may pose a (security risk).Logical formLearned from2 sentences. (Authentication checking) may be omitted.Logical formLearned from2 sentences. A combination of some kinds of checking may increase a number of messages to a point.Logical formLearned from2 sentences. A checking may manifest timeliness.Logical formLearned from2 sentences. (Name servers) may enforce checking of glue.Logical formLearned from2 sentences. Implementations may apply some degree of (sanity checking).Logical formLearned from2 sentences. A checking can be feasible.Logical formLearned from2 sentences. Some (checking messages) may be allowed through a firewall.Logical formLearned from2 sentences. A database may undergo a checking.Logical formLearned from2 sentences.