"dns intel" matching MCP servers:

Tells your agent whether a number is safe to call or text right now. Live US/Canada phone data: carrier, line type, LRN, CNAM, spam/scam reputation, SMS deliverability, and TCPA 8am–9pm calling-window verdicts, plus bulk jobs. Every query is a fresh network dip, never stale cache. Free sandbox key, no card required. Pay per lookup, no minimums.

Enables an AI assistant to read and search the user's own Telegram account chats through a local server with no write operations. It also runs a background watcher that pre-filters incoming messages with substring, word, or regex rules and, optionally, has Claude judge each hit against plain-language criteria to surface only the alerts that matter.

The most complete Resend MCP server — full coverage of the Resend API (emails, domains, contacts, broadcasts, templates, segments, topics, webhooks, logs) plus a unique debug/diagnostics layer no other Resend MCP offers: deliverability analysis, DNS troubleshooting, email lifecycle inspection, bounce explanation, and account auditing. Works with Claude Code, Cursor, Claude Desktop, and any other

Manage real email through Mektup - register domains, get DNS records, create IMAP/SMTP mailboxes, send and read mail, and manage drafts, contacts, folders, forwarding, and auto-replies, all as native tool calls backed by Mektup's live REST API.

A management tool for Alibaba Cloud Message Service (MNS) implemented through the MCP framework, allowing users to create, delete, send messages to, and receive messages from MNS queues through MCP Host configuration.

Enables MCP clients like Claude and Cursor to read and act on Instagram, Facebook, WhatsApp and SMS inboxes, contacts, appointments, flows, comment automation, Content Studio posts, market intel and a knowledge base through the ChatGenius REST API. Exposes 105 scope-capped tools, with destructive actions marked for client approval and idempotency keys guarding every write.

MCP server that enables AI agents to control all DingTalk features (messaging, calendar, tasks, approvals, etc.) via natural language using the DingTalk Workspace CLI.

Enables autonomous agent-to-agent communication between Claude Code instances using Redis Streams, with Discord and web UI for monitoring and intervention.

Enables agents to send and look up emails, manage sending domains and DNS verification, mint or retire API keys, and organize audiences and contacts through the Resend API.

Enables agents to perform read-only web search and fetching with SSRF/DNS-rebinding protections, probe gateway health, and optionally use QQ messaging tools with outbound redaction and media allow-listing.

Connects Discord to Claude Code, turning forum threads into interactive sessions. Supports approvals, live progress, slash commands, and terminal access.

Enables AI agents to work with real email: add domains with exact DNS records, create mailboxes, aliases and catch-alls, read one unified inbox across them, wait for sign-up codes and magic links, then send, reply in-thread, forward and draft. Scoped tokens with a send permission and daily cap, dry runs on every write, signed webhooks and a full audit log keep agent mail controlled.

MCP server for AInternet — DNS, identity and messaging for AI agents, enabling .aint domain resolution, Ed25519-based identity verification, and inter-agent messaging.

Enables private email hosting provisioning and management via MCP tools, including domain deployment, mailbox creation, DNS configuration, tracked email sending, and analytics.

Enables management of Dynu services (DNS, email, compute, domain, monitor, ping) via 117 MCP tools that wrap the full Dynu REST API v2, requiring an API key per request.

Enables AI assistants to read, send, and manage Instagram direct messages, including viewing conversations, sending DMs to users, reacting to messages, and searching for users by username.