diff --git a/src/Shodan.Net/Models/Certificate.cs b/src/Shodan.Net/Models/Certificate.cs
index c0e8483..9fb33b3 100644
--- a/src/Shodan.Net/Models/Certificate.cs
+++ b/src/Shodan.Net/Models/Certificate.cs
@@ -1,4 +1,5 @@
-using System;
+using Newtonsoft.Json;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Runtime.Serialization;
@@ -37,6 +38,10 @@ namespace Shodan.Net.Models
 
         [DataMember(Name = "ciper")]
         public dynamic Ciper { get; set; }
+
+        [JsonIgnore()]
+        [DataMember(Name = "serial")]
+        public string Serial { get; set; }
     }
 
     public class Fingerprint
diff --git a/src/Shodan.Net/ShodanClient.cs b/src/Shodan.Net/ShodanClient.cs
index e2149c0..809cbab 100644
--- a/src/Shodan.Net/ShodanClient.cs
+++ b/src/Shodan.Net/ShodanClient.cs
@@ -63,7 +63,7 @@ namespace Shodan.Net
         /// <param name="page">The page number to page through results 100 at a time (default: 1) </param>
         /// <param name="minify">True or False; whether or not to truncate some of the larger fields (default: True) </param>
         /// <returns></returns>
-        public Task<dynamic> SearchHosts(Action<QueryGenerator> query, Action<FacetGenerator> facet = null, int page = 1, bool minify = true)
+        public Task<SearchHostResults> SearchHosts(Action<QueryGenerator> query, Action<FacetGenerator> facet = null, int page = 1, bool minify = true)
         {
             if(query == null)
             {
@@ -86,7 +86,7 @@ namespace Shodan.Net
             {
                 url.Query = $"{url.Query}&page={page}";
             }
-            return RequestHandler.MakeRequestAsync<dynamic>(url.Uri);
+            return RequestHandler.MakeRequestAsync<SearchHostResults>(url.Uri);
         }
 
         /// <summary>