Pricing

from $0.64 / 1,000 spf-checked domains

SPF Record Checker - Validate SPF & Count DNS Lookups

Validate SPF for up to 200 domains per run: parsed mechanisms, DNS lookup count vs the RFC 7208 limit of 10, all-qualifier and plain-English issues. $0.0008 per domain, no start fee, failures never charged — cheaper than measured incumbents ($0.001+/item). For deliverability and security audits.

Pricing

from $0.64 / 1,000 spf-checked domains

Rating

0.0

(0)

Developer

Broke to Built

Actor stats

Bookmarked

Total users

Monthly active users

3 days ago

Last modified

SPF Record Checker - Validate SPF & Count DNS Lookups

DMARC Record Checker - Fetch, Parse & Grade DMARC Policy

eliai/dmarc-record-checker

Check DMARC for up to 200 domains per run: policy, pct, rua/ruf reports, grade (enforced/monitor/missing) and plain-English issues. $0.0008 per domain, no start fee, failures never charged — cheaper than measured incumbents ($0.001-$0.05/domain). For security audits, deliverability and lead gen.

Broke to Built

SPF Record Auditor

junipr/spf-record-auditor

Audit SPF syntax, lookup count, duplicate records, risky includes, and common deliverability issues.

junipr

Email Security DNS Validator (DMARC/SPF/DKIM)

sootesting/email-security-dns-validator

Validate email security DNS records for any domain: DMARC, SPF, DKIM. Outputs structured validation results. Pay-per-event.

soot

Email Deliverability Checker - MX, SPF, DMARC, DKIM Score

eliai/email-deliverability-checker

Audit MX + SPF + DMARC + DKIM (9 selectors) for up to 100 domains per run: weighted 0-100 score, letter grade and copy-paste fixes. $0.002 per domain with all four checks included, no start fee, and invalid inputs or DNS failures are never charged. For cold-email prep and lead qualification.

Broke to Built

MX Record Checker - Verify a Domain Can Receive Email

eliai/mx-record-checker

Check MX records for up to 200 domains or email addresses per run: priority-sorted exchanges resolved to IPs, RFC 5321 implicit-MX fallback, canReceiveEmail verdict. $0.0004 per domain, no start fee, failures never charged — cheaper than measured incumbents. For list hygiene and lead qualification.

Broke to Built

Bulk Email Health: SPF, DMARC, DKIM & MX Checker

cottony_brittlegill/domain-mailhealth-bulk

Bulk email deliverability and security audit: MX, SPF, DMARC and DKIM (common selectors) for up to 100,000 domains in one normalized JSON per domain, with an A-F grade and actionable issues. Failed lookups are never charged.

cottony_brittlegill

DNS Lookup API - Bulk DNS Records Checker

pink_comic/dns-lookup-records

Bulk DNS lookup API for domain records. Check A, AAAA, MX, NS, TXT, CNAME, SOA, and SRV records across many domains for email deliverability, SPF/DKIM/DMARC checks, DNS migrations, security audits, and infrastructure monitoring.

Ava Torres

Bulk Email Deliverability Auditor - SPF, DKIM, DMARC

technicaldost/bulk-email-deliverability-auditor

Audit SPF, DKIM, DMARC and MX for thousands of domains at once. Returns a graded deliverability score, the parsed records, and a plain-English list of what is wrong. DNS only, so it is fast and costs a fraction of a cent per domain. No API key needed.

Technical Dost Solutions

Domain Security & Email Deliverability — DNS, SPF, DMARC, DKIM

ryanclinton/dns-record-lookup

Audit a domain portfolio for email spoofing, broken SPF, DMARC enforcement, DNSSEC and shadow-SaaS senders. Returns a posture score, what to fix first, vendor dependencies and drift alerts — not just records. Bulk DNS / SPF / DMARC / DKIM lookup, no API keys.