"How to Connect to a PostgreSQL Server" matching MCP connectors:

Custom domains API for SaaS: connect, verify, and manage customer domains, SSL, and DNS

MCP server for DNSimple — domains, DNS zone records, availability, pricing and contacts.

Validate whether an IP address belongs to YandexBot. 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.

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

Vendor status pages, TLS cert inspection, DNS propagation checks, and incident-response playbooks.

Remote MCP server: 19 domain-hygiene and email-auth tools (DNS, SPF, DMARC, DKIM, TLS).

Check email deliverability for a domain: MX, SPF, DKIM, DMARC, blacklists. Graded, no key.

Check a domain's registration status, or watch it for expiry, deletion, and availability.

Site crawl + tech stack + DNS + SSL + WHOIS — five web-intel layers in one MCP.

Cloudflare Workers MCP server: domain-intel

WHOIS, DNS, SSL, IP geo for security forensics and OSINT — separate from SEO.

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

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

Custom domains for SaaS and AI agents: search, register, connect DNS, and issue HTTPS over MCP.

AgentDomain MCP — Register, buy, and manage internet domains for AI agents. Search available domains across 500+ TLDs, check prices, purchase instantly via Cloudflare, manage DNS records (A, CNAME, MX, TXT), get EPP transfer codes, and handle wallet payments. 13 tools, no API key required to start — just register and go.

Enterprise-grade MCP server for automated SOCKS5 proxy pool orchestration and dynamic port 25 connectivity analytics.