diff --git a/cmake-build-debug/.ninja_log b/cmake-build-debug/.ninja_log
index 04f1fac..3b59e14 100644
--- a/cmake-build-debug/.ninja_log
+++ b/cmake-build-debug/.ninja_log
@@ -4,7 +4,7 @@
 6	7548	1698352014994362013	CMakeFiles/insane_dns.dir/src/main.cpp.o	727da43cdbc82421
 8	4855	1698249273492987213	libraries/BLT/CMakeFiles/BLT.dir/src/blt/profiling/profiler_v2.cpp.o	4f10bd0279063873
 8	4299	1698249272936972914	libraries/BLT/CMakeFiles/BLT.dir/src/blt/profiling/profiler.cpp.o	66984105eaba6834
-0	51	1698352123584578498	build.ninja	6eaded2198e1472a
+0	51	1698362776514136027	build.ninja	6eaded2198e1472a
 5	2141	1698249270784916812	libraries/BLT/CMakeFiles/BLT.dir/src/blt/std/format.cpp.o	9a4151eb8a13165e
 8	4025	1698351288619677206	libraries/BLT/CMakeFiles/BLT.dir/src/blt/parse/argparse.cpp.o	30865d3aadfb703
 2075	2313	1698352009762451033	libraries/BLT/libBLT.a	806d74f40324f232
diff --git a/cmake-build-debug/Testing/Temporary/LastTest.log b/cmake-build-debug/Testing/Temporary/LastTest.log
index 7a3f982..6a45074 100644
--- a/cmake-build-debug/Testing/Temporary/LastTest.log
+++ b/cmake-build-debug/Testing/Temporary/LastTest.log
@@ -1,3 +1,3 @@
-Start testing: Oct 26 16:28 EDT
+Start testing: Oct 26 19:26 EDT
 ----------------------------------------------------------
-End testing: Oct 26 16:28 EDT
+End testing: Oct 26 19:26 EDT
diff --git a/libraries/BLT b/libraries/BLT
index a3d35b8..a3179d1 160000
--- a/libraries/BLT
+++ b/libraries/BLT
@@ -1 +1 @@
-Subproject commit a3d35b8e0477e1c25639ddc3ed42259962e7b905
+Subproject commit a3179d1a366529e7ae61f52c43b5417225006ff0
diff --git a/src/main.cpp b/src/main.cpp
index 3b87789..1a03219 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -9,6 +9,7 @@
 #include <asio.hpp>
 #include <blt/std/logging.h>
 #include <blt/std/memory.h>
+#include <blt/compatibility.h>
 #include <string>
 #include <array>
 #include <thread>
@@ -367,7 +368,7 @@ int main()
             }
             
             BLT_INFO("DOMAIN: %s", q().c_str());
-            if (STRICT_MATCHING && DISALLOWED_DOMAINS.contains(q()))
+            if (STRICT_MATCHING && BLT_CONTAINS(DISALLOWED_DOMAINS, q()))
                 process_answers(answers);
             else if (!STRICT_MATCHING)
             {