Bulk Domain Audit — WHOIS, DNS, SPF/DMARC & SSL Checker

Full domain security audit in one call: SSL/TLS, DNS, SPF/DKIM/DMARC, security headers, WHOIS, blacklist, tech stack — PLUS subdomain-takeover risk and public S3-bucket exposure detection, which no other domain-audit tool checks. Returns a 0-100 health score + fix list. No API key, no login.

Domain Availability Checker — Bulk DNS & WHOIS Lookup

automation-lab/domain-availability-checker

Check exact domain names in bulk and return available/registered verdicts with DNS/WHOIS method, registrar, creation/expiry dates, name servers, timing, and errors in structured JSON.

Check domain availability and fetch WHOIS records, DNS records, and SSL certificate details in one call. Supports bulk domain lists — useful for domain research, brand monitoring, and infrastructure audits.

DNS Lookup

superlativetech/dns-lookup

Bulk DNS records lookup. Query MX, SPF, DMARC, DKIM, TXT, CNAME, A, AAAA, NS, SOA and reverse DNS for any domain or IP. Batch thousands or query one instantly using the Standby API. For domain registration data, see WHOIS Lookup.

DNS Lookup | Scrape Domain Records & Security Intelligence

datascoutapi/dns-lookup

DNS lookup scrapes 22 data points including 10 DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA, SRV, PTR, CAA) + email security analysis ( SPF/DKIM/DMARC), SSL certificate checker, domain monitoring. Processes 100 domains per batch with security scoring.

Domain Security & Email Deliverability — DNS, SPF, DMARC, DKIM

ryanclinton/dns-record-lookup

Audit a domain portfolio for email spoofing, broken SPF, DMARC enforcement, DNSSEC and shadow-SaaS senders. Returns a posture score, what to fix first, vendor dependencies and drift alerts — not just records. Bulk DNS / SPF / DMARC / DKIM lookup, no API keys.

Domain Health Checker

zinin/domain-health-checker

Audit DNS resolution, MX, SPF, DMARC, name servers, and TLS for a list of domains. Complete evidence cards include a 0–100 score, source states, issues, confidence, data gaps, and a next action. Incomplete or unsafe destinations remain unscored and are not billed as results.

DNS Record & Whois Lookup

onescales/dns-record-whois-lookup

Bulk DNS lookup for all 13 record types (A, MX, TXT, NS, SOA, CAA, TLSA & more) + WHOIS data. Check registrar, expiry & DNS config for thousands of domains instantly.

Domain WHOIS Lookup - Age, Expiry, Registrar, DNS

george.the.developer/domain-whois-lookup

Look up WHOIS data, domain age, expiration date, registrar, nameservers, and DNS records for any domain. Bulk lookup supported.

Bulk Company Name to Domain Finder — Website, Logo & Match

haketa/bulk-company-domain

Turn a list of company names into their website domains in bulk. For each company get the domain, resolved name, logo, favicon and alternative matches — with a DNS fallback so it resolves companies others miss. Fast, keyless company-to-domain resolver for lead enrichment and CRM.