Tools / Bulk SPF, DKIM & DMARC Domain Audit

Bulk SPF, DKIM & DMARC Domain Audit

Check deliverability authentication for thousands of domains. Input: domains. Output (JSON/CSV): one row per item with domain, exists, score, grade, mailProvider, mx, nullMx, spf, dmarc, dkim.

Run it on Apify Store →

Example input

{
 "domains": [
  "stripe.com",
  "github.com"
 ]
}

Example output

{
  "domain": "example.com",
  "exists": true,
  "score": 100,
  "grade": "A",
  "mailProvider": "None (null MX: domain declares it sends/receives no mail)",
  "mx": [
    "0 "
  ],
  "nullMx": true,
  "spf": {
    "record": "v=spf1 -all",
    "count": 1,
    "all": "fail",
    "lookups": 0,
    "senders": []
  },
  "dmarc": {
    "record": "v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s",
    "policy": "reject",
    "subdomainPolicy": "reject",
    "pct": null,
    "rua": null,
    "ruf": null,
    "adkim": "s",
    "aspf": "s"
  },
  "dkim": {
    "selectorsChecked": 55,
    "found": [],
    "revokedSelectors": [
      "*"
    ],
    "wildcardRecord": true
  },
  "bimi": null,
  "mtaSts": null,
  "tlsRpt": null,
  "sendingPlatforms": [],
  "issueCount": 1,
  "issues": [
    {
      "severity": "low",
      "code": "DMARC_NO_RUA",
      "message": "No rua= reporting address, so you get no aggregate reports."
    }
  ],
  "bulkSenderReady": false,
  "error": null
}

Input reference

Field	Type	Notes
`domains` required	array	Domains (acme.com) or emails ([email protected], where only the domain part is used). Duplicates are removed.
`extraDkimSelectors`	array	Custom selectors to test on top of the 60+ built-in common ones (find yours in an email header: DKIM-Signature s=...).
`monitorMode`	boolean	Reports changes to grade, provider, SPF, DMARC, DKIM selectors, MX, BIMI, MTA-STS.
`onlyChanged`	boolean	Monitor mode only.
`stateStoreName`	string	Named key-value store for snapshots.
`maxConcurrency`	integer	Domains audited in parallel (each takes about 70 DNS queries, mostly cached).

Pricing

Pay per result. Plus Apify's small per-run start fee. Apify's free plan includes monthly credit to try it.

How to run

Open the Store page and click Try for free.
Fill in the input (or paste the example JSON in the JSON tab).
Click Start, then export results as CSV, Excel or JSON, or call it via the Apify API.
Optional: add a Schedule and a webhook/Slack/email integration for ongoing monitoring.

Open Bulk SPF, DKIM & DMARC Domain Audit on Apify →