diff --git a/src/processing.cpp b/src/processing.cpp
new file mode 100644
index 0000000..923e147
--- /dev/null
+++ b/src/processing.cpp
@@ -0,0 +1,23 @@
+#include "processing.hpp"
+
+#include <boost/algorithm/string/predicate.hpp>
+
+bool getWellKnown(
+    const boost::container::flat_map<std::string, std::string>& owners,
+    const std::string& request, std::string& wellKnown)
+{
+    // If it's already a well known name, just return
+    if (!boost::starts_with(request, ":"))
+    {
+        wellKnown = request;
+        return true;
+    }
+
+    auto it = owners.find(request);
+    if (it == owners.end())
+    {
+        return false;
+    }
+    wellKnown = it->second;
+    return true;
+}