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Chore: minor changes
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SukkaW
2025-02-15 22:49:41 +08:00
parent f2bdf54737
commit 2ebe91189c
4 changed files with 23 additions and 10 deletions
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27
Build/lib/is-domain-alive.ts
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@@ -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);
}