Check email deliverability for a domain: MX, SPF, DKIM, DMARC, blacklists. Graded, no key.
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https://api.scan.mx/mcp6 tools · 482mscheck_domainRun the full email and DNS deliverability check for a domain: MX, SPF, DKIM, DMARC, DNS health, provider detection, and blacklists. Returns a letter grade (A+ to F, where specific weaknesses cap the grade), a 0 to 100 score, and every individual check with its RFC reference. Set include_smtp to als…Run the full email and DNS deliverability check for a domain: MX, SPF, DKIM, DMARC, DNS health, provider detection, and blacklists. Returns a letter grade (A+ to F, where specific weaknesses cap the grade), a 0 to 100 score, and every individual check with its RFC reference. Set include_smtp to als…
| Parameter | Type | Description |
|---|---|---|
| domain* | string | The domain to check, e.g. example.com. No scheme or path. |
| include_smtp | boolean | Also run a live SMTP connectivity probe of the MX hosts. Non-blocking: poll by re-calling until smtp_status is complete. |
check_mxCheck the MX records of a domain: presence, hostnames, resolution, null-MX, and common misconfigurations.Check the MX records of a domain: presence, hostnames, resolution, null-MX, and common misconfigurations.
| Parameter | Type | Description |
|---|---|---|
| domain* | string | The domain to check, e.g. example.com. No scheme or path. |
check_spfCheck the domain SPF policy: presence, syntax, the all qualifier, and the 10-lookup limit.Check the domain SPF policy: presence, syntax, the all qualifier, and the 10-lookup limit.
| Parameter | Type | Description |
|---|---|---|
| domain* | string | The domain to check, e.g. example.com. No scheme or path. |
check_dmarcCheck the domain DMARC policy at _dmarc: presence, policy strength (none/quarantine/reject), and reporting.Check the domain DMARC policy at _dmarc: presence, policy strength (none/quarantine/reject), and reporting.
| Parameter | Type | Description |
|---|---|---|
| domain* | string | The domain to check, e.g. example.com. No scheme or path. |
check_blacklistCheck whether the domain and its mail server IPs are listed on the Spamhaus (ZEN, DBL, ZRD, AuthBL), SpamCop, GBUdb and PSBL blocklists.Check whether the domain and its mail server IPs are listed on the Spamhaus (ZEN, DBL, ZRD, AuthBL), SpamCop, GBUdb and PSBL blocklists.
| Parameter | Type | Description |
|---|---|---|
| domain* | string | The domain to check, e.g. example.com. No scheme or path. |
check_dkimCheck DKIM signing keys for a domain. Without a selector, common provider selectors are probed. Pass an explicit selector to look up that exact key at selector._domainkey.Check DKIM signing keys for a domain. Without a selector, common provider selectors are probed. Pass an explicit selector to look up that exact key at selector._domainkey.
| Parameter | Type | Description |
|---|---|---|
| domain* | string | The domain to check, e.g. example.com. No scheme or path. |
| selector | string | An explicit DKIM selector to look up (e.g. "google", "s1"). |
6 of 6 tools published a description.
Tool names and descriptions are written by the publisher and shown verbatim as inert text. They are the strings an MCP client passes to a model, so Forge scans them for prompt-injection patterns — any finding appears with the security scan above. “Privileged” is a keyword match on the tool name, not an audit of what the tool does: a benign-sounding name can still do anything.
Check email deliverability for a domain: MX, SPF, DKIM, DMARC, blacklists. Graded, no key.
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