DMARC-safe email forwarding for agents: aliases, DNS health checks, and MCP tools on your domains.
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First seen 2 Oct 2026. One server, whatever directories list it: each directory listing keeps its own page and history.
1
Directories
Collected by InvokeRank
6
Tools
From an anonymous probe
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Not graded by Arcade
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Tools
| Tool | Description | Behaviour |
|---|---|---|
| check_dmarc | Check a domain's DMARC, SPF, and MX records. Use this to diagnose email authentication issues. | Read-only |
| check_email_health | Get a 0-100 email health score for any domain. Checks DMARC, SPF, MX, and DKIM records and returns a letter grade (A+ to F) with actionable recommendations. Use this to audit any domain's email security posture. | Read-only |
| check_health | Check ARC-Relay service health and uptime. | Read-only |
| check_spf | Validate a domain's SPF record. Shows mechanisms, DNS lookup count, and warns if over the 10-lookup limit. | Read-only |
| network_leaderboard | View top relay nodes ranked by reputation score. Filter by region. | Read-only |
| network_stats | Get public relay network statistics — total nodes, active nodes, messages routed, delivery rate, and the average DMARC rate nodes report about themselves (rates are null until there is traffic). | Read-only |
| Directory | Listing | Tier | First seen |
|---|---|---|---|
| Official MCP Registry | ARC-Relay | - | 2 Oct 2026 |