diff --git a/podkop/files/usr/bin/podkop b/podkop/files/usr/bin/podkop
index 5622fef..0727665 100755
--- a/podkop/files/usr/bin/podkop
+++ b/podkop/files/usr/bin/podkop
@@ -29,7 +29,7 @@ SUBNETS_CLOUDFRONT="${GITHUB_RAW_URL}/Subnets/IPv4/cloudfront.lst"
 VALID_SERVICES="russia_inside russia_outside ukraine_inside geoblock block porn news anime youtube discord meta twitter hdrezka tiktok telegram cloudflare google_ai google_play hetzner ovh hodca digitalocean cloudfront"
 DNS_RESOLVERS="1.1.1.1 1.0.0.1 8.8.8.8 8.8.4.4 9.9.9.9 9.9.9.11 94.140.14.14 94.140.15.15 208.67.220.220 208.67.222.222 77.88.8.1 77.88.8.8"
 CHECK_PROXY_IP_DOMAIN="ip.podkop.fyi"
-TEST_DOMAIN="fakeip.podkop.fyi"
+FAKEIP_TEST_DOMAIN="fakeip.podkop.fyi"
 INTERFACES_LIST=""
 SRC_INTERFACE=""
 RESOLV_CONF="/etc/resolv.conf"
@@ -591,7 +591,7 @@ list_update() {
 
 find_working_resolver() {
     for resolver in $DNS_RESOLVERS; do
-        if nslookup -timeout=2 $TEST_DOMAIN $resolver >/dev/null 2>&1; then
+        if nslookup -timeout=2 $FAKEIP_TEST_DOMAIN $resolver >/dev/null 2>&1; then
             echo "$resolver"
             return 0
         fi
@@ -792,7 +792,7 @@ sing_box_configure_dns() {
     config=$(sing_box_cm_add_dns_reject_rule "$config" "domain_suffix" '"use-application-dns.net"')
     config=$(sing_box_cm_add_dns_route_rule "$config" "$SB_FAKEIP_DNS_SERVER_TAG" "$SB_FAKEIP_DNS_RULE_TAG")
     config=$(sing_box_cm_patch_dns_route_rule "$config" "$SB_FAKEIP_DNS_RULE_TAG" "rewrite_ttl" "$rewrite_ttl")
-    service_domains=$(comma_string_to_json_array "$TEST_DOMAIN,$CHECK_PROXY_IP_DOMAIN")
+    service_domains=$(comma_string_to_json_array "$FAKEIP_TEST_DOMAIN,$CHECK_PROXY_IP_DOMAIN")
     config=$(sing_box_cm_patch_dns_route_rule "$config" "$SB_FAKEIP_DNS_RULE_TAG" "domain" "$service_domains")
     if [ "$split_dns_enabled" -eq 1 ]; then
         config=$(sing_box_cm_add_dns_route_rule "$config" "$SB_DNS_SERVER_TAG" "$SB_INVERT_FAKEIP_DNS_RULE_TAG")
@@ -826,7 +826,7 @@ sing_box_configure_route() {
     config=$(
         sing_box_cf_proxy_domain "$config" "$SB_TPROXY_INBOUND_TAG" "$CHECK_PROXY_IP_DOMAIN" "$SB_MAIN_OUTBOUND_TAG"
     )
-    config=$(sing_box_cf_override_domain_port "$config" "$TEST_DOMAIN" 8443)
+    config=$(sing_box_cf_override_domain_port "$config" "$FAKEIP_TEST_DOMAIN" 8443)
 
     config_foreach include_source_ips_in_routing_handler
 
@@ -1928,7 +1928,7 @@ check_dns_available() {
     fi
 
     # Check if local DNS resolver is working
-    if nslookup -timeout=2 $TEST_DOMAIN 127.0.0.1 >/dev/null 2>&1; then
+    if nslookup -timeout=2 $FAKEIP_TEST_DOMAIN 127.0.0.1 >/dev/null 2>&1; then
         local_dns_working=1
         local_dns_status="available"
     fi
@@ -2057,7 +2057,7 @@ global_check() {
     print_global "🔁 FakeIP"
 
     print_global "➡️ DNS resolution: system DNS server"
-    nslookup -timeout=2 $TEST_DOMAIN
+    nslookup -timeout=2 $FAKEIP_TEST_DOMAIN
 
     local working_resolver
     working_resolver=$(find_working_resolver)
@@ -2065,12 +2065,12 @@ global_check() {
         print_global "❌ No working external resolver found"
     else
         print_global "➡️ DNS resolution: external resolver ($working_resolver)"
-        nslookup -timeout=2 $TEST_DOMAIN $working_resolver
+        nslookup -timeout=2 $FAKEIP_TEST_DOMAIN $working_resolver
     fi
 
     print_global "➡️ DNS resolution: sing-box DNS server (127.0.0.42)"
     local result
-    result=$(nslookup -timeout=2 $TEST_DOMAIN 127.0.0.42 2>&1)
+    result=$(nslookup -timeout=2 $FAKEIP_TEST_DOMAIN 127.0.0.42 2>&1)
     echo "$result"
 
     if echo "$result" | grep -q "198.18"; then