toolgrep / Developer productivity / isitdns
Alternatives to isitdns
isitdns: Free DNS diagnostics with a public resolver status board, browser dig, and an MCP server. 8 products similar to isitdns, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 4 of 8 have an API, 2 of 8 offer an MCP server.
- Multi IP Exits Checker
Check your IP address as seen by various global regions and top online services.
- Internet.nl
Test for modern Internet Standards like IPv6, DNSSEC, HTTPS, DMARC, STARTTLS and DANE.
- IntoDNS.ai
DNS and mail server checker for SPF, DKIM, DMARC, DNSSEC, MTA-STS, BIMI, and blacklists
- isroot.in
Free yourname.isroot.in subdomains for developers
- SubdomainWatch
Continuous attack surface monitoring and IaC guard preventing subdomain takeovers, dangling DNS records, and email hygiene flaws.
- isitdisposable.com
Disposable email address detection via a drop-in JavaScript snippet and a REST API.
- noip.at DynDNS
Free dynamic DNS service with .noip.at subdomains
- HttpStatus.com
HTTP status codes explained, with free developer tools and an MCP server
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| isitdns | Free | yes | yes | yes | no | — |
| Multi IP Exits Checker | Free | yes | no | no | no | — |
| Internet.nl | Free | yes | — | no | — | — |
| IntoDNS.ai | Free | yes | yes | yes | — | — |
| isroot.in | Free | yes | — | — | — | — |
| SubdomainWatch | Freemium · from £0 | yes | yes | no | no | no |
| isitdisposable.com | Freemium · from $0/month (Free plan, 250 lookups); paid plans from $19/month | yes | yes | no | no | no |
| noip.at DynDNS | Free | yes | — | no | — | — |
| HttpStatus.com | Free | yes | yes | yes | 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/isitdns/alternatives