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

# requiresDNSSECValidation

A Boolean value that indicates whether a request requires DNSSEC validation during DNS lookup.

## Declaration

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

## Discussion

Discussion YES if the DNS lookup for this request should require DNSSEC validation. Defaults to NO.