mDNSResponder

JSON
executablemacOS3.3 MBx86_64, arm64

Network daemon — manages WiFi, VPN, DNS, and content filtering policies

Runs as a privileged system daemon controlling WiFi hardware configuration, VPN connections, and DNS resolution. Listens for incoming network connections and makes outgoing requests to Apple endpoints for analytics and policy updates. Communicates with the WiFi peer-to-peer daemon via XPC and accesses IOKit user clients for direct hardware and driver interaction. Implements content filtering and DNS proxy functionality while maintaining keychain access for certificates and credentials. Enforces hardened runtime protections and logs telemetry to Apple's unified analytics system.AI

Fingerprint

Platform
macOS
Type
executable
Arch
x86_64, arm64
Min OS
15.0.0
SDK
26.1.0
File Size
3.3 MB
UUID
C31F7AB6-4FA2-3478-B237-5D75A4C75AB7
Analyzed
2026-04-09T10:14:58Z
CDHash
7c48d8deadcd4d7b6382351a3f2d6c5c9416a0e53787aefbbaf9d4a956b35540

Capabilities

NetworkListen for incoming network connections
com.apple.security.network.server[object Object]
IpcCommunicate with WiFi peer-to-peer daemon
com.apple.wifip2pd[object Object]

Entitlements41

Interesting Strings

File Paths(40)

Network Surfaceentitled

API Usage

DNA Capability Vector

Location
0
Keychain
1
Network
7
Storage
0
Hardware
3
IPC
1
Analytics
1
Security
2
System
1

Behavioral Profile

URL Endpoints
12
Telemetry Strings
40
File Paths
40
Bundle IDs
157
IOKit Constants
3
Library Functions
0

Structural HashesSHA-256

Static Libraries0 / 1770 functions identified

Functions(1770)

0x1000014d0main
0x100003bacLogMsgWithLevel
0x100003cc8mDNS_vsnprintf
0x100004b84KQueueSet
0x100004becmDNSMacOSXSystemBuildNumber
0x100004e3cmDNSPlatformRawTime
0x100004f04mDNS_snprintf
0x100004f30GetUserSpecifiedLocalHostName
0x100004f88SetupSocket
0x1000057acSystemWakeForNetworkAccess
0x1000058f0UpdateInterfaceList
0x100006f48myGetIfAddrs
0x100006f8cSetupAddr
0x100007060NetWakeInterface
0x100007690mDNS_SetFQDN
0x100007870AppendDomainLabel
0x10000790cAppendLiteralLabelString
0x1000079acmDNS_Lock_
0x100007cfcSameDomainNameCS
0x100007db4mDNS_Unlock_

Imports887 symbols from 22 dylibs

Exports1

_mh_execute_header0x0