mDNSResponder
E736562
mDNSResponder is a system service that implements multicast DNS and DNS Service Discovery to enable automatic discovery of devices and services on local networks without manual configuration.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Rendezvous (Bonjour) zero-configuration networking | 1 |
| mDNSResponder canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8471078 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: mDNSResponder Context triple: [Bonjour, alternativeName, mDNSResponder]
-
A.
dnsmasq
dnsmasq is a lightweight, easy-to-configure network service daemon that provides DNS forwarding, DHCP, and TFTP services, commonly used in embedded systems and home routers.
-
B.
1.1.1.1 DNS resolver
The 1.1.1.1 DNS resolver is Cloudflare’s public privacy-focused DNS service designed to provide fast, secure, and private domain name resolution for internet users.
-
C.
AppleTalk
AppleTalk was Apple’s proprietary suite of networking protocols that enabled file and printer sharing and other communication services between Macintosh computers and devices.
-
D.
AppleTalk Phase 2
AppleTalk Phase 2 is an enhanced version of Apple’s AppleTalk networking protocol that expanded addressing capabilities and improved support for larger, more complex Macintosh networks.
-
E.
AppleTalk Echo Protocol
AppleTalk Echo Protocol is a diagnostic network service in the AppleTalk suite used to test connectivity and measure round-trip communication between AppleTalk nodes.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: mDNSResponder Target entity description: mDNSResponder is a system service that implements multicast DNS and DNS Service Discovery to enable automatic discovery of devices and services on local networks without manual configuration.
-
A.
dnsmasq
dnsmasq is a lightweight, easy-to-configure network service daemon that provides DNS forwarding, DHCP, and TFTP services, commonly used in embedded systems and home routers.
-
B.
1.1.1.1 DNS resolver
The 1.1.1.1 DNS resolver is Cloudflare’s public privacy-focused DNS service designed to provide fast, secure, and private domain name resolution for internet users.
-
C.
AppleTalk
AppleTalk was Apple’s proprietary suite of networking protocols that enabled file and printer sharing and other communication services between Macintosh computers and devices.
-
D.
AppleTalk Phase 2
AppleTalk Phase 2 is an enhanced version of Apple’s AppleTalk networking protocol that expanded addressing capabilities and improved support for larger, more complex Macintosh networks.
-
E.
AppleTalk Echo Protocol
AppleTalk Echo Protocol is a diagnostic network service in the AppleTalk suite used to test connectivity and measure round-trip communication between AppleTalk nodes.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
DNS Service Discovery implementation
ⓘ
multicast DNS responder ⓘ system service ⓘ |
| advertises | local network services ⓘ |
| avoids | manual network configuration ⓘ |
| designedFor | zero-configuration networking ⓘ |
| developedBy | Apple Inc. ⓘ |
| discovers | network services via DNS-SD ⓘ |
| enables |
automatic discovery of devices on local networks
ⓘ
automatic discovery of services on local networks ⓘ |
| implements |
DNS Service Discovery
ⓘ
multicast DNS ⓘ |
| implementsSpecification |
RFC 6762
ⓘ
RFC 6763 ⓘ |
| license | Apache License 2.0 ⓘ |
| listensOn | UDP port 5353 ⓘ |
| openSource | true ⓘ |
| operatesOn | local area networks ⓘ |
| partOf | Apple Bonjour ⓘ |
| programmingLanguage | C ⓘ |
| resolves | hostnames via multicast DNS ⓘ |
| runsAs |
background daemon
ⓘ
system service process ⓘ |
| sourceRepository | https://github.com/apple-oss-distributions/mDNSResponder ⓘ |
| standardizedBy |
IETF
ⓘ
linked to:
Internet Engineering Task Force
|
| supportsFeature |
link-local addressing integration
ⓘ
name conflict resolution ⓘ service browsing ⓘ service registration ⓘ |
| supportsProtocol |
DNS-SD
ⓘ
linked to:
DNS Service Discovery
mDNS ⓘ |
| usedFor |
file sharing service discovery
ⓘ
home networking device discovery ⓘ media streaming service discovery ⓘ printer discovery ⓘ |
| usedIn |
Android (via ports or derivatives)
ⓘ
linked to:
Android
FreeBSD ⓘ Linux ⓘ Windows ⓘ iOS ⓘ iPadOS ⓘ macOS ⓘ tvOS ⓘ watchOS ⓘ |
| uses |
multicast DNS queries
ⓘ
multicast DNS responses ⓘ |
| usesMulticastAddress |
224.0.0.251
ⓘ
ff02::fb ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: mDNSResponder Description of subject: mDNSResponder is a system service that implements multicast DNS and DNS Service Discovery to enable automatic discovery of devices and services on local networks without manual configuration.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: mDNSResponder