Email DNS Preflight x402
Rank #86,965io.github.rosarioV25/email-dns-preflight-x402
Paid email, DNS, mail-security and RDAP intelligence for agents over x402.
What you can do with Email DNS Preflight x402
Email DNS Preflight x402 is a Model Context Protocol (MCP) server. It ranks #86,965 of 151,203 active servers on MCP Toplist. Email DNS Preflight x402 is listed on Official MCP, with 1 tracked version. It was first listed on Sep 30, 2026 and most recently updated on Sep 30, 2026.
Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. Its registry listings below are the authority on what it does.
What Email DNS Preflight x402 can and cannot do
Not verifiedMCP Toplist has not catalogued this server's tools or limitations. Check its registry listings below.
What you need before using Email DNS Preflight x402
The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.
MCP Toplist probed the public endpoint on Oct 11, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.
Declared by the Official MCP Registry, last synced Oct 23, 2026. Not independently verified by MCP Toplist.
Hosted endpoint declared as public.
Connect Email DNS Preflight x402 and confirm it works
claude mcp add --transport http email-dns-preflight-x402 https://email-dns-preflight-x402.copper-crate.workers.dev/mcp[mcp_servers.email-dns-preflight-x402]
url = "https://email-dns-preflight-x402.copper-crate.workers.dev/mcp"Add to ~/.codex/config.toml.
https://email-dns-preflight-x402.copper-crate.workers.dev/mcpSettings → Connectors → “Add custom connector”, then paste this URL.
{
"mcpServers": {
"email-dns-preflight-x402": {
"url": "https://email-dns-preflight-x402.copper-crate.workers.dev/mcp"
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).
{
"servers": {
"email-dns-preflight-x402": {
"type": "http",
"url": "https://email-dns-preflight-x402.copper-crate.workers.dev/mcp"
}
}
}Save as .vscode/mcp.json in your workspace.
{
"mcpServers": {
"email-dns-preflight-x402": {
"serverUrl": "https://email-dns-preflight-x402.copper-crate.workers.dev/mcp"
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
{
"mcpServers": {
"email-dns-preflight-x402": {
"url": "https://email-dns-preflight-x402.copper-crate.workers.dev/mcp"
}
}
}After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.
What changed, and when this was checked
- First listed
- Sep 30, 2026
- Latest version published
- Sep 30, 2026
- Version history
- 1 version tracked (below)
- Requirements evidence
- MCP Toplist probed the public endpoint on Oct 11, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.
- Profile checked
- Not yet — purpose, capabilities and requirements above come from registry data only
- Ranking data as of
- Sep 30, 2026
- Official MCP ↗listed since Sep 30, 2026 · still listed
Do you maintain Email DNS Preflight x402? to correct or enrich this profile.
Available versions (1)
| Version | Published |
|---|---|
| 1.1.0 | Sep 30, 2026 |
Ranks ahead of 64,238 of 151,203 servers on MCP Toplist.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.rosarioV25%2Femail-dns-preflight-x402)<a href="https://mcptoplist.com/server/io.github.rosarioV25%2Femail-dns-preflight-x402"><img src="https://mcptoplist.com/badge/io.github.rosarioV25%2Femail-dns-preflight-x402.svg" alt="MCP Toplist: #86,965 of 151,203" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Frequently asked questions
- Is Email DNS Preflight x402 listed on the Official MCP Registry?
- Yes — Email DNS Preflight x402 is listed on the Official MCP Registry.
- How many versions does Email DNS Preflight x402 have?
- MCP Toplist tracks 1 version of Email DNS Preflight x402, most recently published on Sep 30, 2026.
Do you run this server?
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