email-domain-check/dist/esm/resolver.js

Comprehensive email domain validation library with DNS, MX, SMTP, DKIM, DMARC and MTA-STS support.

import dns from 'node:dns/promises';
export var ResolverKind;
(function (ResolverKind) {
    ResolverKind[ResolverKind["System"] = 0] = "System";
    ResolverKind[ResolverKind["Custom"] = 1] = "Custom";
    ResolverKind[ResolverKind["Failover"] = 2] = "Failover";
    ResolverKind[ResolverKind["FailoverSystem"] = 3] = "FailoverSystem";
    ResolverKind[ResolverKind["DomainNS"] = 4] = "DomainNS";
})(ResolverKind || (ResolverKind = {}));
export class DNSResolver extends dns.Resolver {
    kind = ResolverKind.System;
    nsHosts = [];
    constructor(options) {
        super(options);
        if (options?.kind) {
            this.kind = options.kind;
        }
        if (options?.nsHosts) {
            this.nsHosts = options.nsHosts;
        }
    }
}