diff --git a/DnsClientX.Tests/CompareProvidersResolve.cs b/DnsClientX.Tests/CompareProvidersResolve.cs
index 4c1c738..27a36b7 100644
--- a/DnsClientX.Tests/CompareProvidersResolve.cs
+++ b/DnsClientX.Tests/CompareProvidersResolve.cs
@@ -31,6 +31,8 @@ public class CompareProvidersResolve(ITestOutputHelper output) {
         [InlineData("microsoft.com", DnsRecordType.NS)]
 
         [InlineData("google.com", DnsRecordType.MX)]
+        [InlineData("1.1.1.1", DnsRecordType.PTR)]
+        [InlineData("108.138.7.68", DnsRecordType.PTR)]
         public async void CompareRecords(string name, DnsRecordType resourceRecordType, DnsEndpoint[]? excludedEndpoints = null) {
             output.WriteLine($"Testing record: {name}, type: {resourceRecordType}");