From ff10bc05ecc9fb69af81e13b0c764d053925261f Mon Sep 17 00:00:00 2001
From: xiaojunnuo <xiaojunnuo@qq.com>
Date: Thu, 31 Jul 2025 11:05:22 +0800
Subject: [PATCH] chore:

---
 .../src/modules/monitor/service/dns-custom.ts | 58 ++++++-------------
 1 file changed, 17 insertions(+), 41 deletions(-)

diff --git a/packages/ui/certd-server/src/modules/monitor/service/dns-custom.ts b/packages/ui/certd-server/src/modules/monitor/service/dns-custom.ts
index 29436b96..951dd1da 100644
--- a/packages/ui/certd-server/src/modules/monitor/service/dns-custom.ts
+++ b/packages/ui/certd-server/src/modules/monitor/service/dns-custom.ts
@@ -1,15 +1,15 @@
 import {LocalCache, logger} from '@certd/basic';
 import dnsSdk, {AnyRecord} from 'dns'
-import { LRUCache } from 'lru-cache';
 import {LookupAddress} from "node:dns";
+
 const dns = dnsSdk.promises
 
 export class DnsCustom{
   private resolver: dnsSdk.promises.Resolver;
-  private cache = new LRUCache<string, any>({
-    max: 1000,
-    ttl: 1000 * 60 * 5,
-  });
+  // private cache = new LRUCache<string, any>({
+  //   max: 1000,
+  //   ttl: 1000 * 60 * 5,
+  // });
 
   constructor(dnsServers:string[]) {
     const resolver = new dns.Resolver();
@@ -17,45 +17,21 @@ export class DnsCustom{
     this.resolver = resolver;
   }
 
+  // async lookup(hostname:string,options?:{ family: any, hints: number, all: boolean }):Promise<LookupAddress[]>{
+  //   const cacheKey = hostname + JSON.stringify(options)
+  //   let res = this.cache.get(cacheKey)
+  //   if (res){
+  //     return res
+  //   }
+  //   res = await this.doLookup(hostname,options)
+  //   this.cache.set(cacheKey,res)
+  //   return res
+  // }
   async lookup(hostname:string,options?:{ family: any, hints: number, all: boolean }):Promise<LookupAddress[]>{
-    const cacheKey = hostname + JSON.stringify(options)
-    let res = this.cache.get(cacheKey)
-    if (res){
-      return res
-    }
-    res = await this.doLookup(hostname,options)
-    this.cache.set(cacheKey,res)
-    return res
-  }
-  async doLookup(hostname:string,options?:{ family: any, hints: number, all: boolean }):Promise<LookupAddress[]>{
     // { family: undefined, hints: 0, all: true }
-    let cnameIps:LookupAddress[] = []
     let v4:LookupAddress[] = []
     let v6:LookupAddress[] = []
     let errors = []
-    const resolveCname = async ()=>{
-      let cnames = []
-      try{
-        cnames = await this.resolver.resolveCname(hostname)
-      }catch (e) {
-        errors.push(e)
-        logger.warn("query cname error",e)
-      }
-      // deep
-      if (cnames && cnames.length > 0) {
-        for (let cname of cnames) {
-          try{
-            const cnameIp = await this.lookup(cname,options)
-            if (cnameIp && cnameIp.length > 0) {
-              cnameIps.push(...cnameIp)
-            }
-          }catch (e) {
-            errors.push(e)
-            logger.warn("lookup cname error",e)
-          }
-        }
-      }
-    }
     const queryV6 = async ()=>{
       try{
         const list = await this.resolver.resolve6(hostname)
@@ -89,7 +65,7 @@ export class DnsCustom{
       }
     }
 
-    const queries:Promise<any>[] = [resolveCname()]
+    const queries:Promise<any>[] = []
 
 
     const {family, all} = options
@@ -105,7 +81,7 @@ export class DnsCustom{
       }
     }
     await Promise.all(queries)
-    const res = [...v4,...v6,...cnameIps]
+    const res = [...v4,...v6]
     if(res.length === 0){
       if (errors.length > 0){
         const e =  new Error(errors[0])