diff --git a/lib/modules/datasource/npm/get.ts b/lib/modules/datasource/npm/get.ts
index 109b9e94857cc4b9cf7b7d32458768c8cc55e540..bcaeac57a1840aea0d7f3eea2a87d74731c7ee0b 100644
--- a/lib/modules/datasource/npm/get.ts
+++ b/lib/modules/datasource/npm/get.ts
@@ -194,6 +194,7 @@ export async function getDependency(
       }
       throw new ExternalHostError(err);
     }
+    logger.debug({ err }, 'Unknown npm lookup error');
     return null;
   }
 }
diff --git a/lib/util/http/index.ts b/lib/util/http/index.ts
index 24060bbda4145e53339b074eddbd9651de0f7110..adf4eaf4e59a6ca547b1e2a8f4ba380951e769f6 100644
--- a/lib/util/http/index.ts
+++ b/lib/util/http/index.ts
@@ -128,6 +128,7 @@ export class Http<GetOptions = HttpOptions, PostOptions = HttpPostOptions> {
 
     options = applyHostRules(url, options);
     if (options.enabled === false) {
+      logger.debug({ url }, 'Host is disabled - rejecting request');
       throw new Error(HOST_DISABLED);
     }
     options = applyAuthorization(options);