Pricing

from $10.00 / 1,000 domain or ip checkeds

Email Blacklist Checker

Check domains and mail server IPs against email blocklists (SpamCop, Mailspike, PSBL, UCEPROTECT, DroneBL, SpamRATS, Spamhaus with your key). Finds a domain's mail IPs automatically and tells you exactly how to get delisted.

Pricing

from $10.00 / 1,000 domain or ip checkeds

Rating

0.0

(0)

Developer

Cobalt Relay

Actor stats

Bookmarked

Total users

Monthly active users

4 days ago

Last modified

Email Address Validator (2026) Letest

datascoutapi/email-address-validator

Email validator - verify 10000 emails/run. Bulk email validation checks MX records, disposable/role-based detection. Improve deliverability & reduce bounces. 5-layer validation, detailed reports & smart DNS caching. Fast, accurate, cost-effective email list cleaning. Start free!

halam

5.0

(1)

Email Domain Blacklist Checker

trovevault/email-domain-blacklist-checker

Check any domain against 15 email blacklists (Spamhaus, SURBL, SpamCop, Barracuda and more) and validate SPF, DMARC and MX records. No API keys required. Export data, run via API, schedule and monitor runs, or integrate with other tools.

Trove Vault

Australian ABN Lookup & Business Enricher

mossy_loris/au-business-enricher

Enrich Australian ABNs or business names via the official ABN Lookup service: entity name, type, ABN status, GST, state, postcode, business names.

2810 Industries

DMARC Report Reader

cobalt_relay/dmarc-report-reader

Turns DMARC aggregate (RUA) report files (.xml, .gz, .zip) into a plain-English summary: who is sending email as your domain, what passes, what fails, and exactly what to fix.

Cobalt Relay

Bulk MTA-STS & TLS-RPT Checker

bene123/email-transport-security-auditor

Audit up to 1,000 public domains for MTA-STS policy reachability, MX coverage, TLS-RPT, DMARC enforcement, SPF record count, MX, and BIMI readiness.

Ben E

Email Validator: Syntax, MX, Disposable, Typo & Role Checks

leadgenguy/email-validator

Bulk-check email lists without sending anything: syntax, mail server, disposable domains, role addresses, typos, SPF/DMARC and provider. Honest verdicts. $0.30 per 1,000.

Mokssh jaiin

Cloud AI Change Radar: Bedrock, Azure & Vertex Model Alerts

cobalt_relay/cloud-ai-change-radar

Get alerted when AI models are added, removed, change price or reach new regions on AWS Bedrock, Azure AI Foundry and Google Vertex AI. Filter by model and location, send to Slack or a webhook.

Cobalt Relay

Domain Health Checker: SPF, DKIM, DMARC, SSL & Security Headers

cobalt_relay/domain-health-checker

Bulk-check any list of domains for email deliverability (SPF, DKIM, DMARC, MTA-STS), SSL certificate expiry, DNSSEC and website security headers. Get a 0-100 score, an A-F grade, the mail and DNS provider, and plain-English fixes for every problem.

Cobalt Relay

Stock Shortage Allocation Preview

winning_moonstone/stock-shortage-allocation-preview

Preview how limited stock would be distributed across order lines by priority or FIFO. See exact fills, backorders and missing stock scope without reserving inventory.

月明

Bulk Email Validator - MX, Disposable, Role & Typo Check

tinyrex/bulk-email-validator

Clean email lists in bulk: syntax, MX/DNS, null MX, disposable, role-based, free-provider and typo checks plus SPF/DMARC. $0.30 per 1,000 emails; bad syntax, duplicates and DNS errors free. No SMTP probing.