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

# nw_report_resolution_protocol_unknown

The DNS response protocol is unknown or not applicable.

## Declaration

```swift
var nw_report_resolution_protocol_unknown: nw_report_resolution_protocol_t { get }
```

## See Also

### Resolution Transports

- [nw_report_resolution_protocol_udp](network/nw_report_resolution_protocol_udp.md)
- [nw_report_resolution_protocol_tcp](network/nw_report_resolution_protocol_tcp.md)
- [nw_report_resolution_protocol_tls](network/nw_report_resolution_protocol_tls.md)
- [nw_report_resolution_protocol_https](network/nw_report_resolution_protocol_https.md)