toolgrep / Security / DomainCanary
Alternatives to DomainCanary
DomainCanary: DMARC enforcement without blocking your mail. 8 products similar to DomainCanary, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 7 of 8 have an API, 3 of 8 offer an MCP server.
- SubdomainWatch
Continuous attack surface monitoring and IaC guard preventing subdomain takeovers, dangling DNS records, and email hygiene flaws.
- Mail-Tester
Test your emails for spam score and configuration problems
- Suped
All-in-one DMARC platform
- Disban
Email-domain classification API that detects disposable, free, alias, testing and parked domains at signup.
- Email Spam Tester
Free email spam checker: send one message and get a SpamAssassin score, SPF, DKIM and DMARC checks, blocklists and optional inbox placement. No signup.
- UserCheck
Email and domain intelligence API for detecting disposable and fake emails
- dkimvalidator.com
Email validator that checks DKIM, SPF validity and SpamAssassin score by sending an email to any address @dkimvalidator.com.
- isitdisposable.com
Disposable email address detection via a drop-in JavaScript snippet and a REST API.
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| DomainCanary | Freemium · from $0 | yes | yes | yes | — | no |
| SubdomainWatch | Freemium · from £0 | yes | yes | no | no | no |
| Mail-Tester | Freemium | yes | yes | no | no | no |
| Suped | Freemium | yes | yes | yes | — | no |
| Disban | Freemium | yes | yes | yes | yes | — |
| Email Spam Tester | Free | yes | yes | yes | no | no |
| UserCheck | Freemium · from $0/month | yes | yes | no | yes | no |
| dkimvalidator.com | Free | yes | no | no | no | no |
| isitdisposable.com | Freemium · from $0/month (Free plan, 250 lookups); paid plans from $19/month | yes | yes | no | no | no |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
curl https://toolgrep.com/api/products/domaincanary/alternatives