Email and domain checks: deliverable, disposable, role address, MX, SPF, DMARC
Connect Remote server
claude mcp add --transport http email-domain https://ukdata.reliness.co.uk/mcp/email-domain --header "Authorization: Bearer <YOUR_API_KEY>"
{
"mcpServers": {
"email-domain": {
"url": "https://ukdata.reliness.co.uk/mcp/email-domain",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
{
"servers": {
"email-domain": {
"type": "http",
"url": "https://ukdata.reliness.co.uk/mcp/email-domain",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://ukdata.reliness.co.uk/mcp/email-domain
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools 2 found in our last check
email_checkSyntax, MX, disposable, role and free-provider checks on an email address (no message is sent). (cost: 1 credit)
domain_checkA, AAAA, MX, NS, SPF and DMARC records for a domain via DNS over HTTPS. (cost: 1 credit)
Headers
| Name | Description |
|---|---|
AuthorizationOptional, secret | Optional. Bearer <key> for more than the free daily allowance; free key from POST https://ukdata.reliness.co.uk/keys |
Details
| Endpoint | https://ukdata.reliness.co.uk/mcp/email-domain (Streamable HTTP) |
| First published | 4 Nov 2026 |
| Last updated | 4 Nov 2026 |
| Registry name | uk.co.reliness/email-domain |
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