From 2ebe91189c2665fab6117f1c0e84af42120d5c98 Mon Sep 17 00:00:00 2001
From: SukkaW <isukkaw@gmail.com>
Date: Sat, 15 Feb 2025 22:49:41 +0800
Subject: [PATCH] Chore: minor changes

---
 Build/lib/is-domain-alive.ts       | 27 ++++++++++++++++++++-------
 Build/mod.d.ts                     |  4 +---
 Source/domainset/reject_sukka.conf |  1 +
 Source/non_ip/domestic.conf        |  1 +
 4 files changed, 23 insertions(+), 10 deletions(-)

diff --git a/Build/lib/is-domain-alive.ts b/Build/lib/is-domain-alive.ts
index 254963fa..eb329616 100644
--- a/Build/lib/is-domain-alive.ts
+++ b/Build/lib/is-domain-alive.ts
@@ -143,7 +143,7 @@ export async function isDomainAlive(domain: string, isSuffix: boolean): Promise<
   const aaaaDns: string[] = [];
 
   // test 2 times before make sure record is empty
-  const servers = pickRandom(dohServers, 3);
+  const servers = pickRandom(dohServers, 2);
   for (let i = 0; i < 2; i++) {
     // eslint-disable-next-line no-await-in-loop -- sequential
     const aRecords = (await $resolve($domain, 'A', servers[i]));
@@ -180,23 +180,36 @@ export async function isDomainAlive(domain: string, isSuffix: boolean): Promise<
   return onDomainDead($domain);
 }
 
-const apexDomainNsResolvePromiseMap = new Map<string, Promise<DnsResponse>>();
+const apexDomainNsResolvePromiseMap = new Map<string, Promise<boolean>>();
+
+async function getNS(domain: string) {
+  const servers = pickRandom(dohServers, 2);
+  for (let i = 0, len = servers.length; i < len; i++) {
+    const server = servers[i];
+    // eslint-disable-next-line no-await-in-loop -- one by one
+    const resp = await $resolve(domain, 'NS', server);
+    if (resp.answers.length > 0) {
+      return true;
+    }
+  }
+  return false;
+}
 
 async function isApexDomainAlive(apexDomain: string): Promise<[string, boolean]> {
   if (domainAliveMap.has(apexDomain)) {
     return [apexDomain, domainAliveMap.get(apexDomain)!];
   }
 
-  let resp: DnsResponse;
+  let hasNS: boolean;
   if (apexDomainNsResolvePromiseMap.has(apexDomain)) {
-    resp = await apexDomainNsResolvePromiseMap.get(apexDomain)!;
+    hasNS = await apexDomainNsResolvePromiseMap.get(apexDomain)!;
   } else {
-    const promise = $resolve(apexDomain, 'NS', pickOne(dohServers));
+    const promise = getNS(apexDomain);
     apexDomainNsResolvePromiseMap.set(apexDomain, promise);
-    resp = await promise;
+    hasNS = await promise;
   }
 
-  if (resp.answers.length > 0) {
+  if (hasNS) {
     return onDomainAlive(apexDomain);
   }
 
diff --git a/Build/mod.d.ts b/Build/mod.d.ts
index 8867745c..860fb02f 100644
--- a/Build/mod.d.ts
+++ b/Build/mod.d.ts
@@ -8,9 +8,7 @@ declare module 'dns2' {
       /** @example dns.google.com */
       dns: string,
       /** @description whether to use HTTP or HTTPS */
-      http: boolean,
-
-      get?: (url: string) => any
+      http: boolean
     }
 
     export type PacketQuestion = keyof typeof Packet.TYPE;
diff --git a/Source/domainset/reject_sukka.conf b/Source/domainset/reject_sukka.conf
index cfb60798..643c63e4 100644
--- a/Source/domainset/reject_sukka.conf
+++ b/Source/domainset/reject_sukka.conf
@@ -439,6 +439,7 @@ xy-log.tagtic.cn
 .igexin.com
 .gepush.com
 .getui.net
+.getui.com
 .mobileservice.cn
 .img.adnyg.com
 .img.adnyg.com.w.kunlungr.com
diff --git a/Source/non_ip/domestic.conf b/Source/non_ip/domestic.conf
index 12dc593d..39acc8ff 100644
--- a/Source/non_ip/domestic.conf
+++ b/Source/non_ip/domestic.conf
@@ -385,6 +385,7 @@ DOMAIN-SUFFIX,gov.cn
 DOMAIN-SUFFIX,edu.cn
 DOMAIN-SUFFIX,org.cn
 DOMAIN-SUFFIX,com.cn
+DOMAIN-SUFFIX,net.cn
 
 DOMAIN,cn.download.nvidia.com
 DOMAIN-SUFFIX,jetbrains.com.cn