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WHOIS/RDAP, DNS, SSL, live subdomains with IPs, and SPF/DMARC/DKIM for any domain.

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Status
Healthy
Uptime
90.5% over the last 24 hours
Last Tested
Transport
Streamable HTTP · MCP 2025-11-25
URL
Repository
osiris-technical-institute/domain-intelligence-api
GitHub Stars
14
ChatGPT
–
Claude
–

TDQS

A3.7/5.0

Scored across 6 tools

Disambiguation4/5

The five specialized tools (dns_records, email_security, ssl_certificate, subdomains, whois_lookup) have clearly distinct purposes, but domain_lookup is an aggregate that duplicates all of them, creating some risk of misselection between the full report and individual components.

Naming Consistency3/5

All names are lowercase snake_case, but the convention is mixed: some are plain noun phrases (dns_records, email_security, ssl_certificate, subdomains) while others use a _lookup suffix (domain_lookup, whois_lookup). It remains readable but not fully predictable.

Tool Count5/5

Six tools is well-scoped for a domain intelligence server, with each specialized tool covering a clear reconnaissance area and one aggregate tool for convenience. No tool feels redundant enough to remove.

Completeness4/5

The surface covers the core domain intelligence areas: WHOIS, DNS, SSL, subdomains, email authentication, and a combined report. Minor gaps exist, such as reverse DNS/IP intelligence, HTTP security headers, and reputation/blacklist checks, but the main workflows are well covered.

Available Tools

6 tools
dns_recordsDNS recordsB
Read-onlyIdempotent
Inspect

DNS records for a domain: A, AAAA, MX, TXT, NS, CAA and SOA, resolved in parallel.

Inputs: domain (required). Returns: object

domain_lookupFull domain lookupA
Read-onlyIdempotent
Inspect

Full report on a domain in one call: WHOIS/RDAP registration, DNS records, live SSL certificate, subdomains (live hosts with IPs first) and email authentication (SPF, DMARC, DKIM). Use it to triage a suspicious domain or profile a company's domain. If one section fails it comes back as an object with an error field and the rest is unaffected. Set wait=true to wait for every subdomain source (up to about 20 s) instead of the fast first result.

Inputs: domain (required), wait, subdomain_limit. Returns: object

email_securityEmail security (SPF, DMARC, DKIM)A
Read-onlyIdempotent
Inspect

Email authentication for a domain: SPF and DMARC records, and DKIM keys found by probing about 29 common selectors (Google, Microsoft 365, Mailchimp, SendGrid and others). Custom selectors may not be found.

Inputs: domain (required). Returns: object

ssl_certificateSSL certificateA
Read-onlyIdempotent
Inspect

The certificate a domain serves on port 443, from a live TLS handshake: issuer, subject, valid_from, valid_to, days_until_expiry, SANs, signature algorithm and serial number.

Inputs: domain (required). Returns: object

subdomainsSubdomainsA
Read-onlyIdempotent
Inspect

Subdomains of a domain from certificate transparency logs, passive DNS and DNS brute force. live lists hosts that resolve now, each with its IP; subdomains lists every name found, live first; pools summarises large shared-infrastructure zones. The first lookup of a domain is a fast snapshot and later ones are fuller; set wait=true to wait for every source (up to about 20 s).

Inputs: domain (required), wait, limit. Returns: object

whois_lookupWHOIS / RDAP lookupA
Read-onlyIdempotent
Inspect

Registration data for a domain: registrar, created, updated and expiry dates, nameservers and status. RDAP first (rdap.org, IANA bootstrap, 22 fallback servers), then port-43 WHOIS for 60+ TLDs. _source says which one answered. Use it for domain age, expiry or registrar checks.

Inputs: domain (required). Returns: object

Tool Schema Changelog

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