"A guide to finding data in public databases" matching MCP connectors:
Matching Connector Tools:
Live data: weather, air quality, FX, CN/HK/US stocks, IP geo, domain, SSL, China reachability.
Free anonymous website, DNS, email and TLS checks, plus read-only access to your monitors.
Domain reputation over time: Domain Rating, Tranco rank, TLS, and AI crawler policy.
DNS, WHOIS/RDAP, DMARC/SPF, LEI, sitemap, web extract, VAT, QR. Paid per call in USDC, no signup.
Read devices, users, keys, ACLs and DNS for a tailnet; manage devices, routes and auth keys.
Fibre optics, OTDR, network design and data centre notes from SPLIDIA, plus its service catalogue.
Watch domains and forecast when they drop; check a name's domain, handles, and trademark.
Validate whether an IP address belongs to Bingbot. Remote MCP server exposing a validate_ip tool.
Validate whether an IP address belongs to Applebot. Remote MCP server exposing a validate_ip tool.
Validate whether an IP address belongs to Googlebot. Remote MCP server exposing a validate_ip tool.
Check email deliverability for a domain: MX, SPF, DKIM, DMARC, blacklists. Graded, no key.
Scan the open TCP ports of your own public IP. Fast (32) or deep (65535). No key, no signup.
What's My IP Address: caller's public IP, ASN, geo, timezone, user-agent, headers, TLS info.
AI data-center design engine: size, validate & lay out Rubin-era data centers. Korea live.
Site crawl + tech stack + DNS + SSL + WHOIS — five web-intel layers in one MCP.
RDAP — Registration Data Access Protocol (domains, IPs, ASNs) via IANA bootstrap
Provides capabilities that let LLM agents perform a range of infrastructure management tasks.
Public MCP server for summaries, DNS lookup, catalog, replies, and JSON checks.
The internet's largest queryable infrastructure graph — 7.39 billion nodes, 39 billion edges, 5.6 million threat-intelligence relationships. Pivot from any IP, domain, or ASN across DNS, BGP, WHOIS, GeoIP, and threat intel in a single Cypher query. Most threat-intel and OSINT APIs are point lookups: you ask about one indicator, you get one record. Investigations don't work that way — you start from one suspicious domain and need to trace its hosting, its sibling domains, its registrar, its email