"Information or services related to email" matching MCP connectors:

DNS Doctor: scan and fix email authentication (SPF, DMARC, DKIM, MX, blacklists). Validated fixes.

DNS and email security scanner with 80 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

Query WHOIS/RDAP information for domains, IP addresses, CIDR prefixes and ASNs. Self-hostable.

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.

Domain intel for AI agents: RDAP registration, DNS, email deliverability, tech stack.

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

Internet identity for AI agents: register or broker domains, email, DNS - pay by card or USDC.

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.

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

Buy & manage domains from any AI chat: availability, register, DNS, email forwarding, AI bot stats.

Check SPF/DKIM/DMARC/BIMI, blacklists, SMTP/IMAP; DNS lookups; generate email DNS records.

Domain registration for AI agents via Stripe or x402 crypto with Cloudflare DNS.

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

Live demo of Frisian-MCP, a Django/DRF package that exposes ViewSets as MCP tools through grouped dispatchers — ~1,800 endpoints collapsed into ~16 tools, with DRF permission classes enforced in-process before ORM access. Connect to try the dispatcher pattern against a realistic network-automation surface.

Free *.pntr.dev dev subdomains — register subdomains, manage DNS and wildcard records, receive email on disposable inboxes, and capture HTTP requests for webhook debugging. OAuth sign-in; free tier.

Enables monitoring and management of Ruckus Unleashed WiFi controllers, including APs, clients, WLANs, and system events. MCP server for Ruckus Unleashed (tested on R500/R600, built-in Embedthis-Appweb web server). Uses aioruckus to talk to the controller's AJAX API.

9 utility tools for agents: DNS, WHOIS, email, IP, URL, headers, QR, text, tech. x402 on Base.