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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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13
Build/lib/is-domain-alive.ts
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@ -111,7 +111,9 @@ export async function isDomainAlive(
// test 2 times before make sure record is empty // test 2 times before make sure record is empty
const servers = pickRandom(dohServers, 2); const servers = pickRandom(dohServers, 2);
// TODO: increase limit when there is an error
for (let i = 0; i < 2; i++) { for (let i = 0; i < 2; i++) {
try {
// eslint-disable-next-line no-await-in-loop -- sequential // eslint-disable-next-line no-await-in-loop -- sequential
const aRecords = (await $resolve(domain, 'A', servers[i])); const aRecords = (await $resolve(domain, 'A', servers[i]));
if (aRecords.answers.length > 0) { if (aRecords.answers.length > 0) {
@ -120,20 +122,24 @@ export async function isDomainAlive(
} }
aDns.push(aRecords.dns); aDns.push(aRecords.dns);
} catch {}
} }
for (let i = 0; i < 2; i++) { for (let i = 0; i < 2; i++) {
try {
// eslint-disable-next-line no-await-in-loop -- sequential // eslint-disable-next-line no-await-in-loop -- sequential
const aaaaRecords = (await $resolve(domain, 'AAAA', servers[i])); const aaaaRecords = await $resolve(domain, 'AAAA', servers[i]);
if (aaaaRecords.answers.length > 0) { if (aaaaRecords.answers.length > 0) {
domainAliveMap.set(domain, true); domainAliveMap.set(domain, true);
return true; return true;
} }
aaaaDns.push(aaaaRecords.dns); aaaaDns.push(aaaaRecords.dns);
} catch {}
} }
// only then, let's test twice with domesticDohServers // only then, let's test twice with domesticDohServers
for (let i = 0; i < 2; i++) { for (let i = 0; i < 2; i++) {
try {
// eslint-disable-next-line no-await-in-loop -- sequential // eslint-disable-next-line no-await-in-loop -- sequential
const aRecords = (await $resolve(domain, 'A', pickOne(domesticDohServers))); const aRecords = (await $resolve(domain, 'A', pickOne(domesticDohServers)));
if (aRecords.answers.length > 0) { if (aRecords.answers.length > 0) {
@ -141,8 +147,10 @@ export async function isDomainAlive(
return true; return true;
} }
aDns.push(aRecords.dns); aDns.push(aRecords.dns);
} catch {}
} }
for (let i = 0; i < 2; i++) { for (let i = 0; i < 2; i++) {
try {
// eslint-disable-next-line no-await-in-loop -- sequential // eslint-disable-next-line no-await-in-loop -- sequential
const aaaaRecords = (await $resolve(domain, 'AAAA', pickOne(domesticDohServers))); const aaaaRecords = (await $resolve(domain, 'AAAA', pickOne(domesticDohServers)));
if (aaaaRecords.answers.length > 0) { if (aaaaRecords.answers.length > 0) {
@ -150,6 +158,7 @@ export async function isDomainAlive(
return true; return true;
} }
aaaaDns.push(aaaaRecords.dns); aaaaDns.push(aaaaRecords.dns);
} catch {}
} }
console.log(picocolors.red('[domain dead]'), 'no A/AAAA records', { domain, a: aDns, aaaa: aaaaDns }); 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); const servers = pickRandom(dohServers, 2);
for (let i = 0, len = servers.length; i < len; i++) { for (let i = 0, len = servers.length; i < len; i++) {
const server = servers[i]; const server = servers[i];
try {
// eslint-disable-next-line no-await-in-loop -- one by one // eslint-disable-next-line no-await-in-loop -- one by one
const resp = await $resolve(apexDomain, 'NS', server); const resp = await $resolve(apexDomain, 'NS', server);
if (resp.answers.length > 0) { if (resp.answers.length > 0) {
domainAliveMap.set(apexDomain, true); domainAliveMap.set(apexDomain, true);
return true; return true;
} }
} catch {}
} }
let whois; let whois;