Bulk Domain Lookup: RDAP, DNS, SPF, DMARC & DKIM

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.

Domain Intelligence Lookup

obicodes/domain-intel

Full domain intelligence in one call. Get WHOIS registration data, DNS records, SSL certificate status, IP geolocation, ASN, mail provider detection, and an actionable email security score (SPF, DMARC, MX). Built for developers, security teams, agencies, and growth teams.

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.

Audit up to 1,000 public domains for MTA-STS policy reachability, MX coverage, TLS-RPT, DMARC enforcement, SPF record count, MX, and BIMI readiness.

Bulk domain and IP registration data from official RDAP (the WHOIS replacement): registrar, dates, status, nameservers, DNSSEC. Expiry and change alerts to Slack or webhook, plus lookalike-domain watch for your brand. Privacy-safe: no registrant personal data.

Bulk DNS Records Lookup - A, MX, TXT, NS, CNAME

logiover/bulk-dns-records-lookup

Look up DNS records for thousands of domains at once — A, AAAA, MX, NS, TXT, CNAME, SOA and CAA — via DNS-over-HTTPS. Ideal for email deliverability (SPF/DMARC), security audits and migrations. No API key, export to CSV or JSON.

Bulk Domain Availability Checker – RDAP, WHOIS & DNS

tesselyn/domain-availability-checker

Check if domains are available or registered, in bulk, from official registry RDAP data (WHOIS/DNS fallback). Registrar and dates; unknown results are free.

Domain Availability Checker & RDAP Lookup (1,100+ TLDs)

lathewright/domain-availability-rdap

Returns whether domains are registered plus registry facts (registrar, creation and expiry dates, status codes, nameservers, DNSSEC) from authoritative RDAP servers for 1,100+ TLDs. Expand names across TLDs to find free ones. No WHOIS scraping, no personal data.

อัปเดตหนังใหม่ล่าสุดอัปเดตหนังใหม่ล่าสุดอัปเดตหนังใหม่ล่าสุดอัปเดตหนังใหม่ล่าสุดอัปเดตหนังใหม่ล่าสุดอัปเดตหนังใหม่ล่าสุด

Bulk-check email lists without sending anything: syntax, mail server, disposable domains, role addresses, typos, SPF/DMARC and provider. Honest verdicts. $0.30 per 1,000.