diff --git a/scripts/migrate.js b/scripts/migrate.js
new file mode 100644
index 000000000..e5da7ebf5
--- /dev/null
+++ b/scripts/migrate.js
@@ -0,0 +1,30 @@
+const fs = require('fs');
+const path = require('path');
+const R = require('ramda');
+const { DOMAINS_PATH } = require('./utils/constants');
+
+const migrate = ([file, domain]) => [
+  file,
+  {
+    ...domain,
+    record: /\.github\.io$/.test(domain.record.CNAME || '')
+      ? R.dissoc('URL', domain.record)
+      : domain.record,
+  }
+];
+
+const main = async () => {
+  const domains = await fs.promises.readdir(DOMAINS_PATH).then(R.map(async file => [
+    file,
+    JSON.parse(await fs.promises.readFile(path.join(DOMAINS_PATH, file), 'utf-8')),
+  ])).then(ps => Promise.all(ps));
+
+  const newDomains = domains.map(migrate);
+
+  await Promise.all(newDomains.map(([file, json]) => {
+    return fs.promises.writeFile(path.join(DOMAINS_PATH, file), JSON.stringify(json, null, 2));
+  }));
+};
+
+main();
+