Email Checker
Syntax first, then an MX lookup on the domain. Each check is stored. The last one is shown below.
Letters, digits, dot, hyphen, underscore. One @. A dot in the domain. No spaces.
Result
Email is valid
- Contains @
- Local part and domain are present
- Dot in the domain
- No spaces
- Allowed characters only
MX for example.com · 10 mail.example.com — mailbox domain exists
Stored checks
| Verdict | MX | When | |
|---|---|---|---|
| user@example.com | Valid | found | 11.09.2026 07:04 |
| ada@code.mu | Valid | found | 10.09.2026 19:12 |
| not-an-email | Invalid | — | 10.09.2026 18:40 |
| a@b | Invalid | — | 09.09.2026 11:02 |
| bad@@host.com | Invalid | — | 08.09.2026 16:21 |
Last invalid “not-an-email”: missing @. “a@b”: no dot in the domain.