diff --git a/Cargo.toml b/Cargo.toml
index be33bf0..dc40e9f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ aws-sdk-s3 = "1.43.0"
 aws-smithy-async = "1.2.1"
 aws-smithy-runtime-api = "1.7.1"
 aws-smithy-types-convert = { version = "0.60.8", features = ["convert-time"] }
-axum = { version = "0.7.5", default-features = false, features = ["http1", "tokio", "tower-log"] }
+axum = { version = "0.7.5", default-features = false, features = ["http1", "original-uri", "tokio", "tower-log"] }
 bytes = "1.7.1"
 clap = { version = "4.5.16", default-features = false, features = ["derive", "error-context", "help", "std", "suggestions", "usage", "wrap_help"] }
 enum_dispatch = "0.3.13"
diff --git a/src/main.rs b/src/main.rs
index f78d257..89d08aa 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -17,9 +17,9 @@ use crate::zarrman::{ManifestFetcher, ZarrManClient};
 use anyhow::Context;
 use axum::{
     body::Body,
-    extract::Request,
+    extract::{Host, OriginalUri, Request},
     http::{
-        header::{HeaderValue, ACCESS_CONTROL_ALLOW_ORIGIN, CONTENT_TYPE, SERVER},
+        header::{HeaderMap, HeaderValue, ACCESS_CONTROL_ALLOW_ORIGIN, CONTENT_TYPE, SERVER},
         response::Response,
         Method,
     },
@@ -28,7 +28,7 @@ use axum::{
     Router,
 };
 use clap::Parser;
-use std::fmt;
+use std::fmt::{self, Write};
 use std::net::IpAddr;
 use std::sync::Arc;
 use tower::service_fn;
@@ -120,6 +120,22 @@ async fn run() -> anyhow::Result<()> {
                 ([(CONTENT_TYPE, CSS_CONTENT_TYPE)], STYLESHEET)
             }),
         )
+        .route(
+            "/.test",
+            get(
+                |host: Host, orig: OriginalUri, headers: HeaderMap, req: Request| async move {
+                    let mut s = String::new();
+                    writeln!(&mut s, "Host: {}", host.0).unwrap();
+                    writeln!(&mut s, "Original URI: {}", orig.0).unwrap();
+                    writeln!(&mut s, "Request URI: {}", req.uri()).unwrap();
+                    writeln!(&mut s, "Headers:").unwrap();
+                    for (name, value) in &headers {
+                        writeln!(&mut s, "  {name}: {value:?}").unwrap();
+                    }
+                    s
+                },
+            ),
+        )
         .nest_service(
             "/",
             service_fn(move |req: Request| {