Enter a domain, URL, IP, email, or record and get a focused result without setup.
Email Deliverability
Complete email authentication and deliverability analysis with SPF, DKIM, and DMARC auditing.
Email score
Authentication
Action Items
Run the check, then ship the workflow
Use the browser tool for a fast answer, then move the same logic into scripts, monitoring, or product flows when it becomes repeatable.
Outputs highlight statuses, risks, records, and next actions instead of raw provider noise.
Use the request and response examples to turn a one-off check into an API call or recipe.
Used by people at these companies
What this tool helps you decide
Each page is shaped around a practical operational question, not just a raw lookup.
See the current DNS, registration, security, pricing, or reputation evidence.
Compare the result with related checks so the next move is easier to trust.
Copy examples, open linked tools, or move into API documentation when you need scale.
Trust signals before you integrate
Transparent docs, authenticated requests, and visible reliability details make it easier to evaluate DomScan before you ship.
Check live service health and documented failure responses before you integrate.
OpenAPI, Swagger, Postman, CLI, SDK, and MCP links are one click away.
Authenticated endpoints use API keys with clear credit costs before you call them.
Start with 10,000 monthly credits and upgrade only when usage grows.
Key Features
Add SPF record to authorize email senders
Configure DKIM signing for your email service
Add DMARC record to specify email authentication policy
Address blacklist issues
Example request
curl -s "https://domscan.net/v1/recipes/email-deliverability?domain=example.com" -H "X-API-Key: $DOMSCAN_API_KEY"
Example response
{
"success": true,
"data": {
"score": 88,
"grade": "A",
"blacklist_status": {
"status": "clean",
"clean": true,
"listed_on": [],
"unknown_on": []
},
"authentication": {
"spf": {
"status": "pass"
},
"dkim": {
"status": "pass",
"selectors_found": [
"google",
"selector1"
]
},
"dmarc": {
"status": "pass",
"policy": "quarantine"
}
},
"infrastructure": {
"mx_servers": [
"aspmx.l.google.com"
]
},
"action_items": [
{
"priority": "low",
"action": "Move DMARC toward reject",
"details": "A stricter policy can reduce spoofing risk after monitoring."
}
]
},
"meta": {
"recipe_name": "email-deliverability",
"credits_used": 10,
"credits_saved": 5,
"duration_ms": 724
},
"errors": []
}
Built on the same API
The browser experience previews DomScan's structured endpoints, so teams can validate a use case before writing code.

