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Ignore DNS error when checking alive domains
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This commit is contained in:
SukkaW 2025-07-17 21:18:54 +08:00
parent a4ae24ecb6
commit d3179cc2cd
1 changed files with 43 additions and 32 deletions
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75
Build/lib/is-domain-alive.ts
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@ -111,45 +111,54 @@ export async function isDomainAlive(
// test 2 times before make sure record is empty
const servers = pickRandom(dohServers, 2);
// TODO: increase limit when there is an error
for (let i = 0; i < 2; i++) {
// eslint-disable-next-line no-await-in-loop -- sequential
const aRecords = (await $resolve(domain, 'A', servers[i]));
if (aRecords.answers.length > 0) {
domainAliveMap.set(domain, true);
return true;
}
try {
// eslint-disable-next-line no-await-in-loop -- sequential
const aRecords = (await $resolve(domain, 'A', servers[i]));
if (aRecords.answers.length > 0) {
domainAliveMap.set(domain, true);
return true;
}
aDns.push(aRecords.dns);
aDns.push(aRecords.dns);
} catch {}
}
for (let i = 0; i < 2; i++) {
// eslint-disable-next-line no-await-in-loop -- sequential
const aaaaRecords = (await $resolve(domain, 'AAAA', servers[i]));
if (aaaaRecords.answers.length > 0) {
domainAliveMap.set(domain, true);
return true;
}
try {
// eslint-disable-next-line no-await-in-loop -- sequential
const aaaaRecords = await $resolve(domain, 'AAAA', servers[i]);
if (aaaaRecords.answers.length > 0) {
domainAliveMap.set(domain, true);
return true;
}
aaaaDns.push(aaaaRecords.dns);
aaaaDns.push(aaaaRecords.dns);
} catch {}
}
// only then, let's test twice with domesticDohServers
for (let i = 0; i < 2; i++) {
// eslint-disable-next-line no-await-in-loop -- sequential
const aRecords = (await $resolve(domain, 'A', pickOne(domesticDohServers)));
if (aRecords.answers.length > 0) {
domainAliveMap.set(domain, true);
return true;
}
aDns.push(aRecords.dns);
try {
// eslint-disable-next-line no-await-in-loop -- sequential
const aRecords = (await $resolve(domain, 'A', pickOne(domesticDohServers)));
if (aRecords.answers.length > 0) {
domainAliveMap.set(domain, true);
return true;
}
aDns.push(aRecords.dns);
} catch {}
}
for (let i = 0; i < 2; i++) {
try {
// eslint-disable-next-line no-await-in-loop -- sequential
const aaaaRecords = (await $resolve(domain, 'AAAA', pickOne(domesticDohServers)));
if (aaaaRecords.answers.length > 0) {
domainAliveMap.set(domain, true);
return true;
}
aaaaDns.push(aaaaRecords.dns);
const aaaaRecords = (await $resolve(domain, 'AAAA', pickOne(domesticDohServers)));
if (aaaaRecords.answers.length > 0) {
domainAliveMap.set(domain, true);
return true;
}
aaaaDns.push(aaaaRecords.dns);
} catch {}
}
console.log(picocolors.red('[domain dead]'), 'no A/AAAA records', { domain, a: aDns, aaaa: aaaaDns });
@ -170,12 +179,14 @@ function isApexDomainAlive(apexDomain: string) {
const servers = pickRandom(dohServers, 2);
for (let i = 0, len = servers.length; i < len; i++) {
const server = servers[i];
try {
// eslint-disable-next-line no-await-in-loop -- one by one
const resp = await $resolve(apexDomain, 'NS', server);
if (resp.answers.length > 0) {
domainAliveMap.set(apexDomain, true);
return true;
}
const resp = await $resolve(apexDomain, 'NS', server);
if (resp.answers.length > 0) {
domainAliveMap.set(apexDomain, true);
return true;
}
} catch {}
}
let whois;