DomainRecon looks up DNS records, WHOIS details, SSL certificates, and IP addresses for a domain.
digga
Research a domain’s DNS records, RDAP, WHOIS, subdomains, IP addresses, and email security in one report.
About digga
digga is a free domain and infrastructure research tool accessible via web browser and Chrome/Firefox browser extensions. It generates unified reports covering DNS records, RDAP/WHOIS registration data, passive subdomain discovery, IP/ASN ownership details, and email security configurations for any queried domain. The tool lets users switch between Cloudflare, Google, and Alibaba DNS over HTTPS resolvers for DNS lookups, validates SPF lookup limits as part of email security checks, and requires no user accounts or payment.
Key features
- Unified reports for DNS, RDAP/WHOIS, subdomains, IP, and email security
- Switch between Cloudflare, Google, and Alibaba DNS over HTTPS resolvers
- Passive subdomain discovery from public sources with no target traffic
- Right-click domain lookup via Chrome and Firefox browser extensions
- Email security checks for SPF, DKIM, DMARC, MTA-STS, TLS-RPT, and BIMI
- No account or payment required for all lookup tools
Best for: The tool is most useful for security researchers, developers debugging deployments, incident responders, and users curious about domain infrastructure.
Good for
- No accounts, paywalls, or user tracking required for all tools
- Combines six distinct domain research tools in a single unified report
- Supports switching between three major DNS over HTTPS resolvers for lookups
Watch out for
- Subdomain discovery only uses passive public sources, so it may miss non-public subdomains
- Interface and documentation are only available in English
- Browser extensions are only supported for Chrome and Firefox
digga at a glance
- Website
- digga.dev
- Category
- Privacy & Security › Website & URL Scanners
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Browser extension, Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
digga alternatives
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digga FAQ
Does digga require a user account?
No, all lookup tools are free to use with no account required.
What sources does digga use for subdomain discovery?
It uses passive enumeration from public sources like Certificate Transparency logs, and sends no traffic to the target domain.
Can digga process apex domains, subdomains, and full URLs?
Yes, it normalizes input including IDN punycode and routes it to the correct results page.
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