mx-records

A Node.js email validation library with MX record checks, disposable email detection, and built-in caching.

Checks if the domains MX records point at G-suite

A high-performance and secure REST/GraphQL API built with Rust, MongoDB & Redis for cleaning email subscriber lists. Maintains sender reputation by validating, deduplicating, and pruning inactive emails.

A fast and reliable email validation library by Morgan Miller / StackVerify. Detects disposable emails, verifies domain and MX records, and provides inbox delivery likelihood. Designed for Node.js, TypeScript, ESM, and JavaScript projects.

Connect custom email domains to your email platform: automated DNS for SPF, DKIM, DMARC, MX and return-path records, with one-click sending-domain verification for your users. White-label custom domains for ESPs, CRMs, and outreach tools — widget, REST API, and MCP server by customdomain.ai.

Detect disposable/temporary email addresses with a curated 72k+ domain list plus nightly MX/IP cluster OSINT. Auto-updated. No network calls at runtime.

A real time email verifier with → email syntax, SMTP, inbox exists, catch-all and mx records checks.

Bulk DNS records lookup for thousands of domains — A, AAAA, MX, NS, TXT, CNAME, SOA, CAA. One row per record. No API key.

Spam email detection using Logisitic Regression Model and TF-IDF Vectorizer for Feature extraction. Integration for different Email providers (GMAIL,OUTLOOK,YAHOO) by connecting to IMAP server , classifying unseen Emails and storing marked emails as Spam in Junk/Spam folder.

Recipient-side campaign control for cold email: classify MX gateways, isolate cohorts, and throttle account exposure before launch.

Async SMTP email verification with catch-all detection, DNS caching, and a Flask bulk-upload UI.

Tiny, dependency-free TypeScript/JavaScript client for the MailGuard email-verification API: syntax, MX, disposable and typo checks with a 0–100 deliverability score.

Go Email Verifier

🔍 Retrieve DNS records and perform forward/reverse lookups for MX, TXT, DMARC, and PTR with ease for validation and analysis.

Email sanity checks + MX + disposable detection + optional external verification for Laravel 11/12.

Check if an email address really exists before you send. Live MX lookup + SMTP RCPT-TO handshake over residential IPs, with catch-all detection and risk scoring.

Inline MX record lookup (DNS-over-HTTPS) for QuickSheet

📧 EMS Email Sorter — Sort bulk email lists by provider using live MX/SPF lookups. Sort Once. Send Smarter. — Windows & macOS.

Pull the MX records and mail provider behind any email address — a tiny Python CLI that returns a domain's MX records, their validity, and which provider runs the mailbox (Google Workspace, Microsoft 365, …) via the Tomba /email-verifier API.

dns-lookup is a simple Python tool for performing DNS lookups and WHOIS queries directly from the terminal. It features an interactive command-line menu and supports retrieval of various DNS records as well as domain WHOIS information. Designed for educational, testing, and legal use cases, the tool is easy to install and use, requiring only Python