diff --git a/server/model/domain_expiry.js b/server/model/domain_expiry.js
index 3502a4b08..ec97c04ff 100644
--- a/server/model/domain_expiry.js
+++ b/server/model/domain_expiry.js
@@ -30,10 +30,23 @@ async function getRdapServer(tld) {
         return null;
     }
 
-    for (const service of rdapList["services"]) {
-        const [tlds, urls] = service;
-        if (tlds.includes(tld)) {
-            return urls[0];
+    const candidates = [];
+    if (tld) {
+        candidates.push(tld);
+        if (tld.includes(".")) {
+            const root = tld.split(".").pop();
+            if (root && root !== tld) {
+                candidates.push(root);
+            }
+        }
+    }
+
+    for (const candidate of candidates) {
+        for (const service of rdapList["services"]) {
+            const [tlds, urls] = service;
+            if (tlds.includes(candidate)) {
+                return urls[0];
+            }
         }
     }
     log.debug("rdap", `No RDAP server found for TLD ${tld}`);
diff --git a/test/backend-test/test-domain.js b/test/backend-test/test-domain.js
index c00d94e24..8b357db5f 100644
--- a/test/backend-test/test-domain.js
+++ b/test/backend-test/test-domain.js
@@ -157,6 +157,17 @@ describe("Domain Expiry", () => {
                 assert.strictEqual(supportInfo.tld, "com");
             });
 
+            test("supports multi-level public suffix via RDAP fallback (e.g. com.br)", async () => {
+                const monitor = {
+                    type: "http",
+                    url: "https://record.com.br",
+                    domainExpiryNotification: true,
+                };
+                const supportInfo = await DomainExpiry.checkSupport(monitor);
+                assert.strictEqual(supportInfo.domain, "record.com.br");
+                assert.strictEqual(supportInfo.tld, "com.br");
+            });
+
             test("handles complex subdomain correctly", async () => {
                 const monitor = {
                     type: "http",