diff --git a/api/openapi.yaml b/api/openapi.yaml
index 1a9cbbf..e989261 100644
--- a/api/openapi.yaml
+++ b/api/openapi.yaml
@@ -1346,7 +1346,7 @@ components:
       type: object
       required:
         - ip
-        - checks
+        - blacklists
         - listed_count
         - score
         - grade
@@ -1355,7 +1355,7 @@ components:
           type: string
           description: The IP address that was checked
           example: "192.0.2.1"
-        checks:
+        blacklists:
           type: array
           items:
             $ref: '#/components/schemas/BlacklistCheck'
@@ -1375,3 +1375,8 @@ components:
           enum: [A+, A, B, C, D, E, F]
           description: Letter grade representation of the score
           example: "A+"
+        whitelists:
+          type: array
+          items:
+            $ref: '#/components/schemas/BlacklistCheck'
+          description: List of DNS whitelist check results (informational only)
diff --git a/internal/api/handlers.go b/internal/api/handlers.go
index 80c8f9a..470136e 100644
--- a/internal/api/handlers.go
+++ b/internal/api/handlers.go
@@ -41,7 +41,7 @@ import (
 type EmailAnalyzer interface {
 	AnalyzeEmailBytes(rawEmail []byte, testID uuid.UUID) (reportJSON []byte, err error)
 	AnalyzeDomain(domain string) (dnsResults *DNSResults, score int, grade string)
-	CheckBlacklistIP(ip string) (checks []BlacklistCheck, listedCount int, score int, grade string, err error)
+	CheckBlacklistIP(ip string) (checks []BlacklistCheck, whitelists []BlacklistCheck, listedCount int, score int, grade string, err error)
 }
 
 // APIHandler implements the ServerInterface for handling API requests
@@ -359,7 +359,7 @@ func (h *APIHandler) CheckBlacklist(c *gin.Context) {
 	}
 
 	// Perform blacklist check using analyzer
-	checks, listedCount, score, grade, err := h.analyzer.CheckBlacklistIP(request.Ip)
+	checks, whitelists, listedCount, score, grade, err := h.analyzer.CheckBlacklistIP(request.Ip)
 	if err != nil {
 		c.JSON(http.StatusBadRequest, Error{
 			Error:   "invalid_ip",
@@ -372,7 +372,8 @@ func (h *APIHandler) CheckBlacklist(c *gin.Context) {
 	// Build response
 	response := BlacklistCheckResponse{
 		Ip:          request.Ip,
-		Checks:      checks,
+		Blacklists:  checks,
+		Whitelists:  &whitelists,
 		ListedCount: listedCount,
 		Score:       score,
 		Grade:       BlacklistCheckResponseGrade(grade),
diff --git a/pkg/analyzer/analyzer.go b/pkg/analyzer/analyzer.go
index 83eafe6..a16829b 100644
--- a/pkg/analyzer/analyzer.go
+++ b/pkg/analyzer/analyzer.go
@@ -121,12 +121,12 @@ func (a *APIAdapter) AnalyzeDomain(domain string) (*api.DNSResults, int, string)
 	return dnsResults, score, grade
 }
 
-// CheckBlacklistIP checks a single IP address against DNS blacklists
-func (a *APIAdapter) CheckBlacklistIP(ip string) ([]api.BlacklistCheck, int, int, string, error) {
+// CheckBlacklistIP checks a single IP address against DNS blacklists and whitelists
+func (a *APIAdapter) CheckBlacklistIP(ip string) ([]api.BlacklistCheck, []api.BlacklistCheck, int, int, string, error) {
 	// Check the IP against all configured RBLs
 	checks, listedCount, err := a.analyzer.generator.rblChecker.CheckIP(ip)
 	if err != nil {
-		return nil, 0, 0, "", err
+		return nil, nil, 0, 0, "", err
 	}
 
 	// Calculate score using the existing function
@@ -138,5 +138,11 @@ func (a *APIAdapter) CheckBlacklistIP(ip string) ([]api.BlacklistCheck, int, int
 	}
 	score, grade := a.analyzer.generator.rblChecker.CalculateScore(results)
 
-	return checks, listedCount, score, grade, nil
+	// Check the IP against all configured DNSWLs (informational only)
+	whitelists, _, err := a.analyzer.generator.dnswlChecker.CheckIP(ip)
+	if err != nil {
+		whitelists = nil
+	}
+
+	return checks, whitelists, listedCount, score, grade, nil
 }
diff --git a/web/src/routes/blacklist/[ip]/+page.svelte b/web/src/routes/blacklist/[ip]/+page.svelte
index 0cddb22..89676ed 100644
--- a/web/src/routes/blacklist/[ip]/+page.svelte
+++ b/web/src/routes/blacklist/[ip]/+page.svelte
@@ -3,7 +3,7 @@
     import { onMount } from "svelte";
     import { checkBlacklist } from "$lib/api";
     import type { BlacklistCheckResponse } from "$lib/api/types.gen";
-    import { BlacklistCard, GradeDisplay, TinySurvey } from "$lib/components";
+    import { BlacklistCard, GradeDisplay, TinySurvey, WhitelistCard } from "$lib/components";
     import { theme } from "$lib/stores/theme";
 
     let ip = $derived($page.params.ip);
@@ -122,8 +122,8 @@
                                             >
                                             <p class="mb-0 mt-1 small">
                                                 This IP address is listed on {result.listed_count} of
-                                                {result.checks.length} checked blacklist{result
-                                                    .checks.length > 1
+                                                {result.blacklists.length} checked blacklist{result
+                                                    .blacklists.length > 1
                                                     ? "s"
                                                     : ""}.
                                             </p>
@@ -150,12 +150,23 @@
                         </div>
                     </div>
 
-                    <!-- Blacklist Results Card -->
-                    <BlacklistCard
-                        blacklists={{ [result.ip]: result.checks }}
-                        blacklistScore={result.score}
-                        blacklistGrade={result.grade}
-                    />
+                    <div class="row">
+                        <!-- Blacklist Results Card -->
+                        <div class="col col-lg-6">
+                            <BlacklistCard
+                                blacklists={{ [result.ip]: result.blacklists }}
+                                blacklistScore={result.score}
+                                blacklistGrade={result.grade}
+                            />
+                        </div>
+
+                        <!-- Whitelist Results Card -->
+                        {#if result.whitelists && result.whitelists.length > 0}
+                            <div class="col col-lg-6">
+                                <WhitelistCard whitelists={{ [result.ip]: result.whitelists }} />
+                            </div>
+                        {/if}
+                    </div>
 
                     <!-- Information Card -->
                     <div class="card shadow-sm mt-4">