---
title: requiresDNSSECValidation
framework: foundation
role: symbol
role_heading: Instance Property
path: foundation/urlsessionconfiguration/requiresdnssecvalidation
---

# requiresDNSSECValidation

## Declaration

```swift
var requiresDNSSECValidation: Bool { get set }
```

## See Also

### Setting security policies

- [tlsMinimumSupportedProtocolVersion](foundation/urlsessionconfiguration/tlsminimumsupportedprotocolversion.md)
- [tlsMaximumSupportedProtocolVersion](foundation/urlsessionconfiguration/tlsmaximumsupportedprotocolversion.md)
- [urlCredentialStorage](foundation/urlsessionconfiguration/urlcredentialstorage.md)
- [tlsMinimumSupportedProtocol](foundation/urlsessionconfiguration/tlsminimumsupportedprotocol.md)
- [tlsMaximumSupportedProtocol](foundation/urlsessionconfiguration/tlsmaximumsupportedprotocol.md)