Research a domain’s DNS records, RDAP, WHOIS, subdomains, IP addresses, and email security in one report.
Domain Crawler
Domain Crawler provides a domain name database for digital investigations and domain research.
About Domain Crawler
Domain Crawler provides a domain name database for digital research and investigations. It lists registered and unregistered domains with DNS records, WHOIS ownership data, website meta content, SSL certificate information, and website technology data. It also offers a Domain Research Tool with over 100 filtering options and custom Internet Statistics Reports based on zone files or domain lists.
The site describes over 368 billion domain name records, including more than 1.4 billion domains and over 80 billion historical records stored since 2008, with coverage of 99.5% of generic and country-code top-level domains. DNS, meta, SSL and technology data are updated every 7 days. Full data requires accessing the full version, which involves requesting a demo.
Key features
- Search domains by DNS records including A, NS, MX, TXT
- Historical and reverse WHOIS ownership lookup
- Search website meta content by title, description, keywords
- Look up website technologies including CMS, CDN, languages
- Look up SSL certificate information for domains
- Filter domain data with over 100 research tool options
Best for: Digital investigators, cybersecurity staff, brand protection agencies, and market researchers working with domain data.
Good for
- Database of over 368 billion records including 1.4 billion domains
- Over 80 billion historical records stored since 2008
- Coverage of 99.5% of generic and country-code top-level domains
Watch out for
- Full data requires accessing the full version after requesting a demo
Domain Crawler at a glance
- Website
- domaincrawler.com
- Category
- Privacy & Security › Website & URL Scanners
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 7, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Domain Crawler FAQ
What types of data can I look up for a domain?
DNS records, WHOIS ownership data, meta data such as title, description, keywords and language, website technologies, and SSL certificate information.
How often is the data updated?
Meta information, DNS, SSL certificate, technology stack and other types of data are updated every 7 days.
How much historical data is available?
Over 80 billion historical records collected and stored since 2008.
Is something wrong or out of date?
Tell us and an editor will check it.
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