diff --git a/dist/aws4fetch.cjs.js b/dist/aws4fetch.cjs.js
index b827565..cb9b6a1 100644
--- a/dist/aws4fetch.cjs.js
+++ b/dist/aws4fetch.cjs.js
@@ -259,6 +259,14 @@ function guessServiceRegion(url, headers) {
     const match = hostname.match(/^(?:[^.]{1,63}\.)?s3\.([^.]{1,63})\.backblazeb2\.com$/);
     return match != null ? ['s3', match[1] || ''] : ['', '']
   }
+  if (hostname.endsWith('.linodeobjects.com')) {
+    const match = hostname.match(/^(?:[^.]{1,63}\.)?([^.]{1,63})\.linodeobjects\.com$/);
+    return match != null ? ['s3', match[1] || ''] : ['', '']
+  }
+  if (hostname.endsWith('.digitaloceanspaces.com')) {
+    const match = hostname.match(/^(?:[^.]{1,63}\.)?([^.]{1,63})\.digitaloceanspaces\.com$/);
+    return match != null ? ['s3', match[1] || ''] : ['', '']
+  }
   const match = hostname.replace('dualstack.', '').match(/([^.]{1,63})\.(?:([^.]{0,63})\.)?amazonaws\.com(?:\.cn)?$/);
   let service = (match && match[1]) || '';
   let region = match && match[2];
diff --git a/dist/aws4fetch.esm.js b/dist/aws4fetch.esm.js
index 9c27de4..598d291 100644
--- a/dist/aws4fetch.esm.js
+++ b/dist/aws4fetch.esm.js
@@ -255,6 +255,14 @@ function guessServiceRegion(url, headers) {
     const match = hostname.match(/^(?:[^.]{1,63}\.)?s3\.([^.]{1,63})\.backblazeb2\.com$/);
     return match != null ? ['s3', match[1] || ''] : ['', '']
   }
+  if (hostname.endsWith('.linodeobjects.com')) {
+    const match = hostname.match(/^(?:[^.]{1,63}\.)?([^.]{1,63})\.linodeobjects\.com$/);
+    return match != null ? ['s3', match[1] || ''] : ['', '']
+  }
+  if (hostname.endsWith('.digitaloceanspaces.com')) {
+    const match = hostname.match(/^(?:[^.]{1,63}\.)?([^.]{1,63})\.digitaloceanspaces\.com$/);
+    return match != null ? ['s3', match[1] || ''] : ['', '']
+  }
   const match = hostname.replace('dualstack.', '').match(/([^.]{1,63})\.(?:([^.]{0,63})\.)?amazonaws\.com(?:\.cn)?$/);
   let service = (match && match[1]) || '';
   let region = match && match[2];
diff --git a/dist/aws4fetch.esm.mjs b/dist/aws4fetch.esm.mjs
index 9c27de4..598d291 100644
--- a/dist/aws4fetch.esm.mjs
+++ b/dist/aws4fetch.esm.mjs
@@ -255,6 +255,14 @@ function guessServiceRegion(url, headers) {
     const match = hostname.match(/^(?:[^.]{1,63}\.)?s3\.([^.]{1,63})\.backblazeb2\.com$/);
     return match != null ? ['s3', match[1] || ''] : ['', '']
   }
+  if (hostname.endsWith('.linodeobjects.com')) {
+    const match = hostname.match(/^(?:[^.]{1,63}\.)?([^.]{1,63})\.linodeobjects\.com$/);
+    return match != null ? ['s3', match[1] || ''] : ['', '']
+  }
+  if (hostname.endsWith('.digitaloceanspaces.com')) {
+    const match = hostname.match(/^(?:[^.]{1,63}\.)?([^.]{1,63})\.digitaloceanspaces\.com$/);
+    return match != null ? ['s3', match[1] || ''] : ['', '']
+  }
   const match = hostname.replace('dualstack.', '').match(/([^.]{1,63})\.(?:([^.]{0,63})\.)?amazonaws\.com(?:\.cn)?$/);
   let service = (match && match[1]) || '';
   let region = match && match[2];
diff --git a/dist/aws4fetch.umd.js b/dist/aws4fetch.umd.js
index 8fdb68f..c7f900b 100644
--- a/dist/aws4fetch.umd.js
+++ b/dist/aws4fetch.umd.js
@@ -261,6 +261,14 @@
       const match = hostname.match(/^(?:[^.]{1,63}\.)?s3\.([^.]{1,63})\.backblazeb2\.com$/);
       return match != null ? ['s3', match[1] || ''] : ['', '']
     }
+    if (hostname.endsWith('.linodeobjects.com')) {
+      const match = hostname.match(/^(?:[^.]{1,63}\.)?([^.]{1,63})\.linodeobjects\.com$/);
+      return match != null ? ['s3', match[1] || ''] : ['', '']
+    }
+    if (hostname.endsWith('.digitaloceanspaces.com')) {
+      const match = hostname.match(/^(?:[^.]{1,63}\.)?([^.]{1,63})\.digitaloceanspaces\.com$/);
+      return match != null ? ['s3', match[1] || ''] : ['', '']
+    }
     const match = hostname.replace('dualstack.', '').match(/([^.]{1,63})\.(?:([^.]{0,63})\.)?amazonaws\.com(?:\.cn)?$/);
     let service = (match && match[1]) || '';
     let region = match && match[2];
diff --git a/src/main.js b/src/main.js
index ebc7212..0c3a8bd 100644
--- a/src/main.js
+++ b/src/main.js
@@ -404,6 +404,14 @@ function guessServiceRegion(url, headers) {
     const match = hostname.match(/^(?:[^.]{1,63}\.)?s3\.([^.]{1,63})\.backblazeb2\.com$/)
     return match != null ? ['s3', match[1] || ''] : ['', '']
   }
+  if (hostname.endsWith('.linodeobjects.com')) {
+    const match = hostname.match(/^(?:[^.]{1,63}\.)?([^.]{1,63})\.linodeobjects\.com$/)
+    return match != null ? ['s3', match[1] || ''] : ['', '']
+  }
+  if (hostname.endsWith('.digitaloceanspaces.com')) {
+    const match = hostname.match(/^(?:[^.]{1,63}\.)?([^.]{1,63})\.digitaloceanspaces\.com$/)
+    return match != null ? ['s3', match[1] || ''] : ['', '']
+  }
   const match = hostname.replace('dualstack.', '').match(/([^.]{1,63})\.(?:([^.]{0,63})\.)?amazonaws\.com(?:\.cn)?$/)
   let service = (match && match[1]) || ''
   let region = match && match[2]
diff --git a/test/serviceTests.js b/test/serviceTests.js
index e44e670..844c3ae 100644
--- a/test/serviceTests.js
+++ b/test/serviceTests.js
@@ -77,6 +77,10 @@ aa-custom-bucket.s3.us-west-001.backblazeb2.com,s3,us-west-001
 s3.us-west-001.backblazeb2.com,s3,us-west-001
 12345678.r2.cloudflarestorage.com,s3,auto
 aa-custom-bucket.12345678.r2.cloudflarestorage.com,s3,auto
+my-repo.us-sea-1.linodeobjects.com,s3,us-sea-1
+us-sea-1.linodeobjects.com,s3,us-sea-1
+my-space.nyc3.digitaloceanspaces.com,s3,nyc3
+nyc3.digitaloceanspaces.com,s3,nyc3
 ibvt72cx3dkyksnw7jktvkwhme0legmv.lambda-url.us-east-1.on.aws,lambda,us-east-1
   `
   return csv.trim().split('\n').map(line => {