otm-detector - npm Package Compare versions

Comparing version 1.0.3 to 1.1.0

index.js

@@ -5,3 +5,7 @@ import dns from "node:dns/promises";
     "mail.onetimemail.org",
+    "mx.mail-data.net",
 ])
+const OTM_IPS = new Set([
+    "167.172.1.68"
+])
 export const isOneTimeMail = async (domain, options = {}) => {
@@ -11,3 +15,15 @@ const otmDns = options.dns || dns;
         const records = await otmDns.resolveMx(domain)
-        return records.some((record) => OTM_HOSTS.has(record.exchange))
+        if (records.length === 0) { // this email is invalid, but we are not a validator
+            return false
+        }
+        if (records.some((record) => OTM_HOSTS.has(record.exchange))) {
+            return true
+        }
+        // check first record for new
+        const mxHost = records[0].exchange
+        const mxAddresses = await otmDns.resolve4(mxHost)
+        if (mxAddresses.some((address) => OTM_IPS.has(address))) {
+            return true
+        }
+        return false;
     } catch (e) {
@@ -14,0 +30,0 @@ if (e.code === "ENOTFOUND") {

index.test.js

@@ -12,2 +12,3 @@ import test from "node:test";
     mx: ["smtp.google.com"],
+    a: ["64.233.180.26", "142.251.163.27"],
     result: false,
@@ -25,6 +26,12 @@ },
   },
+  {
+    domain: "bad-ip.com",
+    mx: ["mail.bad-ip.com"],
+    result: true,
+    a: ["167.172.1.68"],
+  }
 ];
 
 for (const domain of domains) {
-  test(`Check if ${domain.domain} has ${domain.mx} as MX`, async (t) => {
+  test(`Check if ${domain.domain} has ${domain.mx}`, async (t) => {
     assert.equal(
@@ -39,2 +46,8 @@ await isOneTimeMail(domain.domain, {
           },
+          resolve4: async (host) => {
+            if (domain.a instanceof Error) {
+              throw domain.a;
+            }
+            return domain.a;
+          }
         },
@@ -41,0 +54,0 @@ }),

package.json

 {
   "name": "otm-detector",
-  "version": "1.0.3",
+  "version": "1.1.0",
   "description": "Detect one-time mail services, the new way",
@@ -5,0 +5,0 @@ "main": "index.js",

No alert changes

Improved metrics

Total package byte prevSize

5506

increased by18.23%

Number of package files

7

increased by16.67%

Lines of code

88

increased by49.15%

No dependency changes