1.0.0.5 is out, give it a try, it should ping the first domain to see if it's available, else it'll use the other if reachable, if none of them are queryable it'll just break the execution and continue.
Like that?
Exception during plugin Stop.System.NullReferenceException: Object reference not set to an instance of an object.
at AlerterReloaded.AlerterReloaded.Stop() in c:\Users\Alba\Desktop\New folder\Plugins\AlerterReloaded\AlerterReloaded.cs:line 109
at Loki.Bot.PluginManager.***********(IPlugin )