diff --git a/examples/dune b/examples/dune
index db8d0451..9251f5b5 100644
--- a/examples/dune
+++ b/examples/dune
@@ -30,19 +30,19 @@
 
 (rule
   (targets test_output.txt)
-  (deps (:script ./run_test.sh) ./sse_client.exe ./sse_server.exe)
+  (deps (:script ./run_test.sh) ./sse_client.exe (:server ./sse_server.exe))
   (enabled_if (= %{system} "linux"))
   (package tiny_httpd)
   (action
-    (with-stdout-to %{targets} (run %{script} 8082))))
+    (with-stdout-to %{targets} (run %{script} %{server} 8082))))
 
 (rule
   (targets test_output_domains.txt)
-  (deps (:script ./run_test.sh) ./sse_client.exe ./sse_server_domains.exe)
+  (deps (:script ./run_test.sh) ./sse_client.exe (:server ./sse_server_domains.exe))
   (enabled_if (and (= %{system} "linux") (>= %{ocaml_version} 5.0.0)))
   (package tiny_httpd)
   (action
-    (with-stdout-to %{targets} (run %{script} 8083))))
+    (with-stdout-to %{targets} (run %{script} %{server} 8083))))
 
 (rule
   (alias runtest)
diff --git a/examples/run_test.sh b/examples/run_test.sh
index f4d81dfa..484407fc 100755
--- a/examples/run_test.sh
+++ b/examples/run_test.sh
@@ -1,8 +1,9 @@
 #!/usr/bin/env bash
 
-PORT=$1
+SERVER=$1
+PORT=$2
 
-./sse_server.exe -p $PORT &
+./$SERVER -p $PORT &
 PID=$!
 
 sleep 0.1
diff --git a/src/bin/dune b/src/bin/dune
index 938770d9..2966647a 100644
--- a/src/bin/dune
+++ b/src/bin/dune
@@ -7,6 +7,15 @@
   (flags :standard -warn-error -3)
   (libraries tiny_httpd))
 
+(executable
+  (name http_of_dir_domains)
+  (public_name http_of_dir_domains)
+  (enabled_if (>= %{ocaml_version} 5.0.0))
+  (package tiny_httpd_domains)
+  (modules http_of_dir_domains)
+  (flags :standard -warn-error -3)
+  (libraries tiny_httpd tiny_httpd_domains))
+
 (executable
   (name vfs_pack)
   (public_name tiny-httpd-vfs-pack)
diff --git a/src/bin/http_of_dir_domains.ml b/src/bin/http_of_dir_domains.ml
new file mode 100644
index 00000000..55b38152
--- /dev/null
+++ b/src/bin/http_of_dir_domains.ml
@@ -0,0 +1,62 @@
+module S = Tiny_httpd
+module U = Tiny_httpd_util
+module D = Tiny_httpd_dir
+module Pf = Printf
+module Do = Tiny_httpd_domains
+
+let serve ~config pool new_thread (dir:string) addr port j : _ result =
+  let server = S.create ~new_thread ~max_connections:j ~addr ~port () in
+  Printf.printf "serve directory %s on http://%(%s%):%d\n%!"
+    dir (if S.is_ipv6 server then "[%s]" else "%s") addr port;
+
+  D.add_dir_path ~config ~dir ~prefix:"" server;
+  Do.run pool server
+
+let parse_size s : int =
+  try Scanf.sscanf s "%dM" (fun n -> n * 1_024 * 1_024)
+  with _ ->
+  try Scanf.sscanf s "%dk" (fun n -> n * 1_024)
+  with _ ->
+  try int_of_string s
+  with _ -> raise (Arg.Bad "invalid size (expected <int>[kM]?)")
+
+let main () =
+  let config =
+    D.config ~dir_behavior:Index_or_lists ()
+  in
+  let dir_ = ref "." in
+  let addr = ref "127.0.0.1" in
+  let port = ref 8080 in
+  let j    = ref 32 in
+  let nbd = ref (Domain.recommended_domain_count ()) in
+
+  Arg.parse (Arg.align [
+      "--addr", Set_string addr, " address to listen on";
+      "-a", Set_string addr, " alias to --listen";
+      "--port", Set_int port, " port to listen on";
+      "-p", Set_int port, " alias to --port";
+      "-n", Arg.Set_int nbd, " set number of domains";
+      "--dir", Set_string dir_, " directory to serve (default: \".\")";
+      "--debug", Unit (fun () -> S._enable_debug true), " debug mode";
+      "--upload", Unit (fun () -> config.upload <- true), " enable file uploading";
+      "--no-upload", Unit (fun () -> config.upload <- false), " disable file uploading";
+      "--download", Unit (fun () -> config.download <- true), " enable file downloading";
+      "--no-download", Unit (fun () -> config.download <- false), " disable file downloading";
+      "--max-upload", String (fun i -> config.max_upload_size <- parse_size i),
+        " maximum size of files that can be uploaded";
+      "--auto-index",
+      Bool (fun b -> config.dir_behavior <-
+               (if b then Index_or_lists else Lists)),
+      " <bool> automatically redirect to index.html if present";
+      "--delete", Unit (fun () -> config.delete <- true), " enable `delete` on files";
+      "--no-delete", Unit (fun () -> config.delete <- false), " disable `delete` on files";
+      "-j", Set_int j, " maximum number of simultaneous connections";
+    ]) (fun s -> dir_ := s) "http_of_dir [options] [dir]";
+  let pool = Domainslib.Task.setup_pool ~num_domains:!nbd () in
+  let new_thread = Do.new_thread pool in
+  match serve ~config pool new_thread !dir_ !addr !port !j with
+  | Ok () -> ()
+  | Error e ->
+    raise e
+
+let () = main ()
diff --git a/tests/dl-out-domains.expect b/tests/dl-out-domains.expect
new file mode 100644
index 00000000..a203a55d
--- /dev/null
+++ b/tests/dl-out-domains.expect
@@ -0,0 +1,5 @@
+serve directory . on http://127.0.0.1:8098
+        0         0  52428800 data21
+        0         0  52428800 data22
+        0         0  52428800 data23
+        0         0 157286400 total
diff --git a/tests/download_chunked.sh b/tests/download_chunked.sh
index 5ee1e1b2..8035972e 100755
--- a/tests/download_chunked.sh
+++ b/tests/download_chunked.sh
@@ -1,21 +1,22 @@
 #!/usr/bin/env sh
 
 SERVER=$1
-PORT=8088
+PORT=$2
+
 "$SERVER" . -p $PORT &
 PID=$!
 
 sleep 0.1
 
-echo download1 1>&2
+echo === download1 $SERVER $PORT 1>&2
 curl -N "http://localhost:${PORT}/foo_50" -o data21 \
   -H 'Tranfer-encoding: chunked' --max-time 10
 
-echo download2 1>&2
+echo === download2 $SERVER $PORT 1>&2
 curl -N "http://localhost:${PORT}/foo_50" -o data22 \
   -H 'Tranfer-encoding: chunked' --max-time 10
 
-echo download3 1>&2
+echo === download3 $SERVER $PORT 1>&2
 curl -N "http://localhost:${PORT}/foo_50" -o data23 \
   -H 'Tranfer-encoding: chunked' --max-time 10
 
diff --git a/tests/dune b/tests/dune
index 005f360b..eb1f34a5 100644
--- a/tests/dune
+++ b/tests/dune
@@ -1,4 +1,4 @@
-
+;echo
 (rule
   (targets echo1.out)
   (deps (:bin ../examples/echo.exe))
@@ -7,6 +7,68 @@
   (package tiny_httpd_camlzip)
   (action (with-stdout-to %{targets} (run ./echo1.sh %{bin} 8085))))
 
+(rule
+  (alias runtest)
+  (package tiny_httpd_camlzip)
+  (enabled_if (= %{system} "linux"))
+  (action (diff echo1.expect echo1.out)))
+
+;sse_count
+(rule
+  (targets sse_count.out)
+  (deps (:bin ../examples/sse_server.exe))
+  (locks /port)
+  (enabled_if (= %{system} "linux"))
+  (package tiny_httpd)
+  (action (with-stdout-to %{targets} (run ./sse_count.sh %{bin} 8086))))
+
+(rule
+  (alias runtest)
+  (package tiny_httpd)
+  (enabled_if (= %{system} "linux"))
+  (action (diff sse_count.expect sse_count.out)))
+
+;upload
+(rule
+  (targets upload-out)
+  (deps (:bin ../src/bin/http_of_dir.exe) foo_50)
+  (locks /port)
+  (package tiny_httpd)
+  (enabled_if (= %{system} "linux"))
+  (action (with-stdout-to %{targets}
+                          (run ./upload_chunked.sh %{bin} 8087))))
+
+(rule
+  (alias runtest)
+  (package tiny_httpd)
+  (enabled_if (= %{system} "linux"))
+  (action (diff upload-out.expect upload-out)))
+
+;download
+(rule
+  (targets dl-out)
+  (deps (:bin ../src/bin/http_of_dir.exe) foo_50)
+  (locks /port)
+  (package tiny_httpd)
+  (enabled_if (= %{system} "linux"))
+  (action (with-stdout-to %{targets}
+                          (run ./download_chunked.sh %{bin} 8088))))
+
+(rule
+  (alias runtest)
+  (package tiny_httpd)
+  (enabled_if (= %{system} "linux"))
+  (action (diff dl-out.expect dl-out)))
+
+;big file (50Mo)
+(rule
+  (targets foo_50)
+  (enabled_if (= %{system} "linux"))
+  (action
+    (bash "dd if=/dev/zero of=%{targets} bs=1M count=50")))
+
+; with domains
+;echo
 (rule
   (targets echo1_domains.out)
   (deps (:bin ../examples/echo_domains.exe))
@@ -17,24 +79,11 @@
 
 (rule
   (alias runtest)
-  (package tiny_httpd_camlzip)
-  (enabled_if (= %{system} "linux"))
-  (action (diff echo1.expect echo1.out)))
-
-(rule
-  (alias runtest)
-  (package tiny_httpd_camlzip)
+  (package tiny_httpd_domains)
   (enabled_if (and (= %{system} "linux") (>= %{ocaml_version} 5.0.0)))
   (action (diff echo1_domains.expect echo1_domains.out)))
 
-(rule
-  (targets sse_count.out)
-  (deps (:bin ../examples/sse_server.exe))
-  (locks /port)
-  (enabled_if (= %{system} "linux"))
-  (package tiny_httpd)
-  (action (with-stdout-to %{targets} (run ./sse_count.sh %{bin} 8086))))
-
+;sse_count
 (rule
   (targets sse_count_domains.out)
   (deps (:bin ../examples/sse_server_domains.exe))
@@ -46,41 +95,37 @@
 (rule
   (alias runtest)
   (package tiny_httpd)
-  (enabled_if (= %{system} "linux"))
+  (enabled_if (and (= %{system} "linux") (>= %{ocaml_version} 5.0.0)))
   (action (diff sse_count_domains.expect sse_count_domains.out)))
 
+;upload
 (rule
-  (targets upload-out)
-  (deps (:bin ../src/bin/http_of_dir.exe) foo_50)
+  (targets upload-out-domains)
+  (deps (:bin ../src/bin/http_of_dir_domains.exe) foo_50)
   (locks /port)
-  (package tiny_httpd)
-  (enabled_if (= %{system} "linux"))
+  (package tiny_httpd_domains)
+  (enabled_if (and (= %{system} "linux") (>= %{ocaml_version} 5.0.0)))
   (action (with-stdout-to %{targets}
-                          (run ./upload_chunked.sh %{bin}))))
+                          (run ./upload_chunked.sh %{bin} 8097))))
 
 (rule
   (alias runtest)
   (package tiny_httpd)
-  (enabled_if (= %{system} "linux"))
-  (action (diff upload-out.expect upload-out)))
+  (enabled_if (and (= %{system} "linux") (>= %{ocaml_version} 5.0.0)))
+  (action (diff upload-out-domains.expect upload-out-domains)))
 
+;download
 (rule
-  (targets dl-out)
-  (deps (:bin ../src/bin/http_of_dir.exe) foo_50)
+  (targets dl-out-domains)
+  (deps (:bin ../src/bin/http_of_dir_domains.exe) foo_50)
   (locks /port)
-  (package tiny_httpd)
-  (enabled_if (= %{system} "linux"))
+  (package tiny_httpd_domains)
+  (enabled_if (and (= %{system} "linux") (>= %{ocaml_version} 5.0.0)))
   (action (with-stdout-to %{targets}
-                          (run ./download_chunked.sh %{bin}))))
+                          (run ./download_chunked.sh %{bin} 8098))))
 
 (rule
   (alias runtest)
-  (package tiny_httpd)
-  (enabled_if (= %{system} "linux"))
-  (action (diff dl-out.expect dl-out)))
-
-(rule
-  (targets foo_50)
-  (enabled_if (= %{system} "linux"))
-  (action
-    (bash "dd if=/dev/zero of=%{targets} bs=1M count=50")))
+  (package tiny_httpd_domains)
+  (enabled_if (and (= %{system} "linux") (>= %{ocaml_version} 5.0.0)))
+  (action (diff dl-out-domains.expect dl-out-domains)))
diff --git a/tests/echo1.sh b/tests/echo1.sh
index c1e0dbcb..78b35e59 100755
--- a/tests/echo1.sh
+++ b/tests/echo1.sh
@@ -6,15 +6,20 @@ PORT=$2
 "$ECHO" -p $PORT &
 PID=$!
 sleep 0.1
+
+echo === echo $ECHO $PORT 1>&2
 curl -N "http://localhost:${PORT}/echo/?a=b&c=d" -H user-agent:test --max-time 5
 
 sleep 0.1
+echo === echo $ECHO $PORT 1>&2
 curl -N "http://localhost:${PORT}/vfs/" --max-time 5
 
 sleep 0.1
+echo === echo $ECHO $PORT 1>&2
 curl -N "http://localhost:${PORT}/vfs/a.txt" --max-time 5
 
 sleep 0.1
+echo === echo $ECHO $PORT 1>&2
 curl -N "http://localhost:${PORT}/vfs/sub/yolo.html" --max-time 5
 
 kill $PID
diff --git a/tests/sse_count.sh b/tests/sse_count.sh
index fdca1325..f5318d3f 100755
--- a/tests/sse_count.sh
+++ b/tests/sse_count.sh
@@ -7,5 +7,6 @@ PORT=$2
 PID=$!
 sleep 0.1
 
+echo === sse_count $SSE_SERVER $PORT 1>&2
 curl -N "http://localhost:${PORT}/count/10" -H user-agent:test --max-time 10
 kill $PID
diff --git a/tests/upload-out-domains.expect b/tests/upload-out-domains.expect
new file mode 100644
index 00000000..76f6a08c
--- /dev/null
+++ b/tests/upload-out-domains.expect
@@ -0,0 +1,2 @@
+serve directory . on http://127.0.0.1:8097
+upload successful       0        0 52428800 data
diff --git a/tests/upload_chunked.sh b/tests/upload_chunked.sh
index 5afebaca..ddec568e 100755
--- a/tests/upload_chunked.sh
+++ b/tests/upload_chunked.sh
@@ -3,13 +3,14 @@
 if [ -f data ]; then rm data ; fi
 
 SERVER=$1
-PORT=8087
+PORT=$2
 
 "$SERVER" . -p $PORT --upload --max-upload 100000000000 &
 PID=$!
 
 sleep 0.1
 
+echo === upload $SERVER $PORT 1>&2
 cat foo_50 | curl -N -X PUT http://localhost:$PORT/data --data-binary @- \
   -H 'Transfer-Encoding: chunked' --max-time 10