---
title: serverName
framework: networkextension
role: symbol
role_heading: Instance Property
path: networkextension/nednsovertlssettings/servername
---

# serverName

The TLS name of a DNS-over-TLS server.

## Declaration

```swift
var serverName: String? { get set }
```

## Discussion

Discussion The server will be accessed over TCP port 853, as defined in RFC 7858. The server name is used for TLS validation.

## See Also

### Configuring server properties

- [init(servers:)](networkextension/nednssettings/init(servers:).md)
- [matchDomains](networkextension/nednssettings/matchdomains.md)