SmitheryListed
Domain Deliverability Checker
Checks email domain deliverability via DNS: SPF, DKIM, DMARC, MX record validation, DNSBL blacklist lookup across 10 lists, RDAP/SOA domain age, and a weighted 0-100 composite score. Built for Clay, GTM, and outbound workflows where domain health is a qualifier before sending or enriching.
First seen 2 Oct 2026. Evidence as of 5 Oct 2026.
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Tools
No tool list captured yet
1
Source listings
Each with its own history
0
Recorded changes
Since first seen
Tools
No tool list captured yet.
Change history
No changes since the first observation. The first snapshot is the baseline.
| Source | Listing | First seen | Last seen | Versions |
|---|---|---|---|---|
| Smithery | mambabuilt/mcp-domain-deliverability-checker | 2 Oct 2026 | 5 Oct 2026 | 1 |