Email Domain Security & Deliverability Auditor

Website domain name validator

saswave/website-domain-name-validator

Verify if a website is still up and running or if it contains a redirection to a new domain name. Data enrichment at scale.

Email Validator Pro — Bulk SMTP & Deliverability Check

accurate_pouch/email-validator

Validate emails in bulk with SMTP mailbox check, disposable detection, catch-all flagging, deliverability scoring, and typo suggestions. 20 emails free per run.

Verify email addresses for deliverability and validity. Check if emails exist, detect disposable addresses, and validate format. Perfect for list cleaning, lead validation, and email marketing campaigns.

DNS Lookup – Bulk DNS Records, MX, SPF & DMARC Checker

gazidev/bulk-dns-lookup

Bulk DNS lookup for thousands of domains: A, AAAA, MX, NS, TXT, CNAME, SOA, CAA records, SPF checker with 10-lookup limit, DMARC policy & rua, DKIM selectors, MTA-STS, BIMI, reverse DNS, change monitoring. Pick resolver: 1.1.1.1, 8.8.8.8 or custom. $1 per 1,000 domains.

Bulk Email Verifier — MX, Disposable & Deliverability

haketa/bulk-email-verifier

Verify thousands of emails at once: syntax, MX/domain check, disposable & role-based detection, free-provider flag and a deliverability score. Fast, cheap, keyless bulk email validation for lead lists and list cleaning.

Advanced Website Domain Name Validator

saswave/advanced-website-domain-name-validator

$0.9 / 1000 results. Advanced domain scraper. Determine if a domain is still valid or has moved. We test multiple scenario before flagging the domain as invalid. Extract technologies stack, social account, emails

⭐ Email Verifier & Validator + CSV Input (ZeroBounce Alt) ✅

amr-mando/email-verifier

$1.01/1000 - Validate your emails with 100% handshake accuracy 📧 Bulk CSV & output with original columns without manual matching ✅

Domain Security Scanner

trovevault/domain-security-scanner

Scan domains for malware, phishing, crypto scams, botnet C2, blacklist signals, HTTPS weaknesses, and reputation issues across multiple threat-intelligence sources. Returns verdicts, a security score, positive signals, and explicit source coverage. Optional API keys unlock account-only providers.

📺 Compare YouTube channels, rank videos, reveal content gaps, monitor growth signals, and export decision-ready competitor intelligence without a YouTube API key.

syntax validation, MX-record deliverability, disposable-domain detection (60+ providers), role-based and free-provider flags, and a 0–100 sendability score