ARC-Relay Email
by arc-relay.com in Email & messaging
Checks any domain's DMARC, SPF, MX and DKIM setup, scores it 0-100, and ranks the fixes.
https://arc-relay.com/mcp- Tools
- 6
- open to any client
- Uptime
- 100%
- last 30 days
- Response time
- 575 ms
- 743 ms slowest 5%
- Last check
- Passed
- 13 h ago, next any minute now
Reliability
Status and outage history · Atom feed · Watch with other listings
How to connect
Add it to any MCP client that supports remote servers.
{
"mcpServers": {
"arc-relay": {
"type": "http",
"url": "https://arc-relay.com/mcp"
}
}
}6 tools
- check_dmarc
Check a domain's DMARC, SPF, and MX records. Use this to diagnose email authentication issues.
- 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.
- check_health
Check ARC-Relay service health and uptime.
- check_spf
Validate a domain's SPF record. Shows mechanisms, DNS lookup count, and warns if over the 10-lookup limit.
- network_leaderboard
View top relay nodes ranked by reputation score. Filter by region.
- 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).
Security scan
No findings
We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time |
|---|---|---|---|
| 13 h ago | Passed | 200 | 532 ms |
| 28 h ago | Passed | 200 | 596 ms |
| 43 h ago | Passed | 200 | 267 ms |
| 2 days ago | Passed | 200 | 508 ms |
| 3 days ago | Passed | 200 | 609 ms |
Show 10 older checks
| 4 days ago | Passed | 200 | 646 ms |
| 4 days ago | Passed | 200 | 615 ms |
| 4 days ago | Passed | 200 | 605 ms |
| 5 days ago | Passed | 200 | 280 ms |
| 6 days ago | Passed | 200 | 564 ms |
| 6 days ago | Passed | 200 | 589 ms |
| 7 days ago | Passed | 200 | 292 ms |
| 7 days ago | Passed | 200 | 587 ms |
| 8 days ago | Passed | 200 | 586 ms |
| 8 days ago | Passed | 200 | 622 ms |