# Domain Intelligence

> Domain Intelligence, an MCP server by oti-labs.com, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. WHOIS/RDAP, DNS, SSL, live subdomains with IPs, and SPF/DMARC/DKIM for any domain.

- Canonical: https://www.anchorterminal.com/tools/oti-labs-domain-intelligence
- Markdown: https://www.anchorterminal.com/tools/oti-labs-domain-intelligence.md (~950 tokens)
- Slim: https://www.anchorterminal.com/tools/oti-labs-domain-intelligence.min.md (~880 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/tools/oti-labs-domain-intelligence.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-05

# Domain Intelligence

> Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/

- Kind: MCP server, by oti-labs.com (https://oti-labs.com/mcp-server)
- Category: Cloud & infrastructure (https://www.anchorterminal.com/categories/infrastructure.md)
- Listed because: It's published in the registry under oti-labs.com, a namespace the registry only gives to whoever proves they control that domain.
- What the official MCP registry says: WHOIS/RDAP, DNS, SSL, live subdomains with IPs, and SPF/DMARC/DKIM for any domain.

## Facts

- MCP registry: `com.oti-labs/domain-intelligence` 1.1.0
- Endpoint: https://oti-labs.com/mcp (streamable HTTP)
- Source: https://github.com/osiris-technical-institute/domain-intelligence-api
- Website: https://oti-labs.com/mcp-server
- GitHub stars: 14
- Registry entry updated: 2026-10-03

## Tools

- Tools it lists (6, about 1,096 tokens of context, `tools/list` without credentials over MCP 2026-07-28, checked 2026-10-04 22:23 UTC):
  - `domain_lookup` (read-only): Full report on a domain in one call: WHOIS/RDAP registration, DNS records, live SSL certificate, subdomains (live hosts with IPs first) and email…
  - `whois_lookup` (read-only): Registration data for a domain: registrar, created, updated and expiry dates, nameservers and status. RDAP first (rdap.org, IANA bootstrap, 22 fallback…
  - `dns_records` (read-only): DNS records for a domain: A, AAAA, MX, TXT, NS, CAA and SOA, resolved in parallel.
  - `ssl_certificate` (read-only): 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…
  - `subdomains` (read-only): 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`…
  - `email_security` (read-only): Email authentication for a domain: SPF and DMARC records, and DKIM keys found by probing about 29 common selectors (Google, Microsoft 365, Mailchimp, SendGrid…
- How its tools read to an agent (0 errors, 6 warnings, 1 note, about 1,096 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score):
  - warn TC11 dns_records: its one parameter, domain, has no description
  - warn TC11 domain_lookup: none of its 3 parameters has a description
  - warn TC11 email_security: its one parameter, domain, has no description
  - warn TC11 ssl_certificate: its one parameter, domain, has no description
  - warn TC11 subdomains: none of its 3 parameters has a description
  - warn TC11 whois_lookup: its one parameter, domain, has no description
  - note TC29 server: about 148 tokens (13% of the definitions) are titles that repeat property or function names

- JSON: https://www.anchorterminal.com/api/v1/tools/oti-labs-domain-intelligence.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming