email-validator-ultimate/dist/utils/mx.js

Advanced email validation library for Node.js. RFC 5322 format validation, MX records, SMTP inbox check, disposable email detection, typo suggestions, risk analysis, Gravatar detection, DNS blacklist check, batch validation, caching, and CLI tool.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.hasMXRecord = hasMXRecord;
exports.getMxHost = getMxHost;
const promises_1 = require("dns/promises");
async function hasMXRecord(domain) {
    try {
        const records = await (0, promises_1.resolveMx)(domain);
        return records && records.length > 0;
    }
    catch {
        return false;
    }
}
async function getMxHost(domain) {
    try {
        const records = await (0, promises_1.resolveMx)(domain);
        return records.sort((a, b) => a.priority - b.priority)[0].exchange;
    }
    catch {
        return null;
    }
}