Pricing

from $0.01 / 1,000 results

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Bulk SPF / DMARC / MX Auditor

Try for free

Audit hundreds of domains for email-spoofing risk. Returns SPF, DMARC policy, MX hosts, flagged issues, and a 0-100 score. Built for MSPs, sales prospecting, and security teams.

Pricing

from $0.01 / 1,000 results

Rating

0.0

(0)

Developer

SysAdmin Toolbox

Actor stats

Bookmarked

Total users

Monthly active users

2 days ago

Last modified

Who it's for

MSPs and IT consultants checking client domains or prospecting new clients
Sales and lead-gen teams qualifying prospects with weak email security
Security teams monitoring a domain portfolio

Input

domains: a list of domains. URLs and email addresses are cleaned to the bare domain, and duplicates are removed (up to 10,000).
concurrency (optional): parallel lookups, default 10, max 50.

{ "domains": ["google.com", "example.com"] }

Output

One dataset row per domain:

{
  "domain": "example.com",
  "spf": "v=spf1 -all",
  "spfAll": "-all",
  "dmarcPolicy": "reject",
  "mx": [],
  "nullMx": true,
  "issues": [],
  "score": 100,
  "checkedAt": "2026-10-15T01:00:00.000Z"
}

Flagged issues include missing SPF, +all or no all, multiple SPF records, missing DMARC or a missing p=, p=none, and no MX. Domains that fail DNS lookup land under errors with score: null, so you never get a false "missing record" result.

Pricing

Pay per event: $2 per 1,000 domains audited ($0.002 each). Lookups that error out aren't charged.

Notes

Lookups use system DNS with a DNS-over-HTTPS fallback. Results show public DNS at run time.

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