3 files changed, 20 insertions, 1 deletions

diff --git a/server/tests/api/check-params/video-imports.ts b/server/tests/api/check-params/video-imports.ts
index 156a612ee..7893f5cc5 100644
--- a/server/tests/api/check-params/video-imports.ts
+++ b/server/tests/api/check-params/video-imports.ts
@@ -120,7 +120,8 @@ describe('Test video imports API validator', function () {
         'http://127.0.0.1',
         'http://127.0.0.1/hello',
         'https://192.168.1.42',
-        'http://192.168.1.42'
+        'http://192.168.1.42',
+        'http://127.0.0.1.cpy.re'
       ]
 
       for (const targetUrl of targetUrls) {
diff --git a/server/tests/helpers/dns.ts b/server/tests/helpers/dns.ts
new file mode 100644
index 000000000..309de5426
--- /dev/null
+++ b/server/tests/helpers/dns.ts
@@ -0,0 +1,17 @@
+/* eslint-disable @typescript-eslint/no-unused-expressions,@typescript-eslint/require-await */
+
+import 'mocha'
+import { expect } from 'chai'
+import { isResolvingToUnicastOnly } from '@server/helpers/dns'
+
+describe('DNS helpers', function () {
+
+  it('Should correctly check unicast IPs', async function () {
+    expect(await isResolvingToUnicastOnly('cpy.re')).to.be.true
+    expect(await isResolvingToUnicastOnly('framasoft.org')).to.be.true
+    expect(await isResolvingToUnicastOnly('8.8.8.8')).to.be.true
+
+    expect(await isResolvingToUnicastOnly('127.0.0.1')).to.be.false
+    expect(await isResolvingToUnicastOnly('127.0.0.1.cpy.re')).to.be.false
+  })
+})
diff --git a/server/tests/helpers/index.ts b/server/tests/helpers/index.ts
index 91d11e25d..951208842 100644
--- a/server/tests/helpers/index.ts
+++ b/server/tests/helpers/index.ts
@@ -1,5 +1,6 @@
 import './image'
 import './core-utils'
+import './dns'
 import './comment-model'
 import './markdown'
 import './request'