"How to find the owner of a website" matching MCP connectors:

High-quality residential proxy service across the globe.

Free anonymous website, DNS, email and TLS checks, plus read-only access to your monitors.

Internet censorship and website reachability: OONI network measurements, keyless

PeeringDB MCP — the peering ecosystem database.

Shodan MCP — wraps the full Shodan REST API (api.shodan.io)

The web capability layer for AI agents: render, extract, DNS, SSL, WHOIS & more via x402.

Read devices, users, keys, ACLs and DNS for a tailnet; manage devices, routes and auth keys.

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.

Unlock the power of DNS lookups with our DNS Lookup service using Google DNS-over-HTTPS. Whether

Scan the open TCP ports of your own public IP. Fast (32) or deep (65535). No key, no signup.

Provides capabilities that let LLM agents perform a range of infrastructure management tasks.

Free, keyless domain registration lookup via RDAP: registered, available, registrar, expiration.

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

Scan your home network and local machine for security risks, open ports, weak Wi-Fi, unknown devices. Providing with a trust score and clear explanations.

Gives AI agents a public IPv6 identity, hostname, port forwarding, web fetch, team mesh. Free tier.

Validate whether an IP address belongs to YandexBot. Remote MCP server exposing a validate_ip tool.