diff --git a/backend/open_webui/retrieval/web/main.py b/backend/open_webui/retrieval/web/main.py
index 23cbf08aeb..d8127807cf 100644
--- a/backend/open_webui/retrieval/web/main.py
+++ b/backend/open_webui/retrieval/web/main.py
@@ -1,10 +1,11 @@
 from __future__ import annotations
 
+import ipaddress
 from urllib.parse import urlparse
 
 import validators
 from open_webui.retrieval.web.utils import resolve_hostname
-from open_webui.utils.misc import is_host_allowed
+from open_webui.utils.misc import get_allow_block_lists, is_host_allowed
 from pydantic import BaseModel
 
 
@@ -12,6 +13,16 @@ def get_filtered_results(results, filter_list):
     if not filter_list:
         return results
 
+    allow_list, block_list = get_allow_block_lists(filter_list)
+    resolve_ips = False
+    for entry in allow_list + block_list:
+        try:
+            ipaddress.ip_address(entry)
+        except ValueError:
+            continue
+        resolve_ips = True
+        break
+
     filtered_results = []
 
     for result in results:
@@ -25,12 +36,13 @@ def get_filtered_results(results, filter_list):
 
         hostnames = [domain]
 
-        try:
-            ipv4_addresses, ipv6_addresses = resolve_hostname(domain)
-            hostnames.extend(ipv4_addresses)
-            hostnames.extend(ipv6_addresses)
-        except Exception:
-            pass
+        if resolve_ips:
+            try:
+                ipv4_addresses, ipv6_addresses = resolve_hostname(domain)
+                hostnames.extend(ipv4_addresses)
+                hostnames.extend(ipv6_addresses)
+            except Exception:
+                pass
 
         if is_host_allowed(hostnames, filter_list):
             filtered_results.append(result)