# Check your email domain (dmarcshark.com)

Checks a domain's published SPF, DMARC, MX and DKIM DNS records and explains what they mean for mail.

- Atlas card: https://inite.ai/en/atlas/dmarcshark.com
- Site: https://dmarcshark.com
- For: Anyone wanting to see a domain's published SPF, DMARC, and MX email DNS records.
- Categories: marketing
- Use 0/100 · alive 100/100

## Used for

- review which services a domain authorizes to send mail
- look up the DMARC policy that applies to a domain
- inspect MX mail routing and a known DKIM key

## Price

Not read yet.

## For developers

- API docs: https://dmarcshark.com/docs/api
- MCP server: com.dmarcshark/email-dns-checker (namespace; open on 2026-10-28, 2 tools)
- Read 2026-10-28

## MCP server, measured daily

Server: https://dmarcshark.com/mcp, checked every day since 2026-10-28 (5 checks).

- Answered: measuring, 5 daily checks so far
- Median first answer: 507 ms
- Sign-in: none
- Context its tool definitions take: about 192 tokens (2 tools)
- Tool definitions: B, 83/100
- Failing "params_described": 2 of 2 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-28

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Source: INITE Atlas, https://inite.ai/en/atlas/dmarcshark.com. JSON: https://inite.ai/api/atlas/dmarcshark.com. MCP: https://inite.ai/api/mcp (atlas_lookup).