diff --git a/core/dns_test.go b/core/dns_test.go
index 2a4bc437..bd3f42d6 100644
--- a/core/dns_test.go
+++ b/core/dns_test.go
@@ -22,7 +22,7 @@ func TestIntegrationQuery(t *testing.T) {
 				QueryType: "A",
 				QueryName: "example.com.",
 			},
-			inputURL:        "1.1.1.1",
+			inputURL:        "8.8.8.8",
 			expectedDNSCode: "NOERROR",
 			expectedBody:    "93.184.216.34",
 		},
@@ -32,7 +32,7 @@ func TestIntegrationQuery(t *testing.T) {
 				QueryType: "AAAA",
 				QueryName: "example.com.",
 			},
-			inputURL:        "1.1.1.1",
+			inputURL:        "8.8.8.8",
 			expectedDNSCode: "NOERROR",
 			expectedBody:    "2606:2800:220:1:248:1893:25c8:1946",
 		},
@@ -42,7 +42,7 @@ func TestIntegrationQuery(t *testing.T) {
 				QueryType: "CNAME",
 				QueryName: "en.wikipedia.org.",
 			},
-			inputURL:        "1.1.1.1",
+			inputURL:        "8.8.8.8",
 			expectedDNSCode: "NOERROR",
 			expectedBody:    "dyna.wikimedia.org.",
 		},
@@ -52,7 +52,7 @@ func TestIntegrationQuery(t *testing.T) {
 				QueryType: "MX",
 				QueryName: "example.com.",
 			},
-			inputURL:        "1.1.1.1",
+			inputURL:        "8.8.8.8",
 			expectedDNSCode: "NOERROR",
 			expectedBody:    ".",
 		},
@@ -62,7 +62,7 @@ func TestIntegrationQuery(t *testing.T) {
 				QueryType: "NS",
 				QueryName: "example.com.",
 			},
-			inputURL:        "1.1.1.1",
+			inputURL:        "8.8.8.8",
 			expectedDNSCode: "NOERROR",
 			expectedBody:    "*.iana-servers.net.",
 		},
@@ -72,7 +72,7 @@ func TestIntegrationQuery(t *testing.T) {
 				QueryType: "B",
 				QueryName: "example",
 			},
-			inputURL:      "1.1.1.1",
+			inputURL:      "8.8.8.8",
 			isErrExpected: true,
 		},
 	}