Catch problems before they bite
Give your AI a safe, focused way to answer the domain questions that come up during real work.
MCP domain checks
Let your AI answer real questions about your domains.
Connect dom4in to your AI client and ask in plain language: Is my email set up to land? Did my DNS change break anything? Who owns this domain? You get back checked facts - DNS, mail, and registration - not guesses, and without giving your AI shell access to your machine.
Start with Domains you already own
Free tier 10 domains, 350 checks/day
You get Structured facts your AI can explain
1. Verify Add a domain you control
Prove a domain is yours with one DNS record - so checks stay safe and free.
2. Connect Create an MCP token
Get a token and your AI can run checks - without shell access to your machine.
3. Ask Run focused domain tools
Check RDAP, MX, SPF, DMARC, A, CNAME, nameservers, and manual lookup guidance.
Domain answers where your AI is already working
Ask a domain question and get checked facts back without connecting your agent to production or asking it to write a one-off script.
Agent-friendly tools included
Focused domain tools — no shell access, no production credentials, no one-off scripts.
Safe to run and to trust
Every free check requires you to prove you own the domain. Keeps the service clean and the cost near zero.
Verify a domain and connect your AI client in a few minutes. The public domain stats stay free for everyone.
Verify a domain →