---
title: kNWErrorDomainDNS
framework: network
role: symbol
role_heading: Global Variable
path: network/knwerrordomaindns
---

# kNWErrorDomainDNS

A DNS error encountered in resolving, browsing, or advertising.

## Declaration

```swift
let kNWErrorDomainDNS: CFString
```

## See Also

### CFError Domain Constants

- [kNWErrorDomainPOSIX](network/knwerrordomainposix.md)
- [kNWErrorDomainTLS](network/knwerrordomaintls.md)