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# domain

The domain of the cookie.

```
var domain: String { get }
```

## Discussion

If the domain does not start with a dot, then the cookie is only sent to the exact host specified by the domain. If the domain does start with a dot, then the cookie is sent to other hosts in that domain as well, subject to certain restrictions. See [RFC 6265](https://tools.ietf.org/html/rfc6265.html) for more detail.

---

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