C-root
E224048
C-root is one of the thirteen authoritative DNS root servers that provide the foundation for resolving domain names on the global internet.
All labels observed (2)
| Label | Occurrences |
|---|---|
| C-root canonical | 1 |
| C-root server | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2002411 — 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: C-root Context triple: [Root Server System, hasLogicalServerLabel, C-root]
-
A.
ROOT
ROOT is a widely used object-oriented data analysis framework and file format developed at CERN for storing, processing, and visualizing large volumes of high-energy physics data.
-
B.
C Branch
The C Branch is a light rail service of Boston's MBTA Green Line that runs along Beacon Street between downtown Boston and the Cleveland Circle area of Brighton.
-
C.
CRL
CRL is the IATA airport code for Brussels South Charleroi Airport, a major low-cost carrier hub serving the Brussels region in Belgium.
-
D.
CRL
CRL is the ICAO airline designator used to identify Corsair International in aviation operations and communications.
-
E.
C. R.
C. R. refers to C. Rajagopalachari, an Indian statesman, independence activist, last Governor-General of India, and founder of the Swatantra Party.
- 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: C-root Target entity description: C-root is one of the thirteen authoritative DNS root servers that provide the foundation for resolving domain names on the global internet.
-
A.
ROOT
ROOT is a widely used object-oriented data analysis framework and file format developed at CERN for storing, processing, and visualizing large volumes of high-energy physics data.
-
B.
C Branch
The C Branch is a light rail service of Boston's MBTA Green Line that runs along Beacon Street between downtown Boston and the Cleveland Circle area of Brighton.
-
C.
CRL
CRL is the IATA airport code for Brussels South Charleroi Airport, a major low-cost carrier hub serving the Brussels region in Belgium.
-
D.
CRL
CRL is the ICAO airline designator used to identify Corsair International in aviation operations and communications.
-
E.
C. R.
C. R. refers to C. Rajagopalachari, an Indian statesman, independence activist, last Governor-General of India, and founder of the Swatantra Party.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
DNS root name server
ⓘ
authoritative name server ⓘ |
| belongsToLayer | DNS root layer ⓘ |
| contributesTo |
global DNS stability
ⓘ
global internet operation ⓘ |
| hasGeographicallyDistributedInstances | true ⓘ |
| hasLogicalIdentifier |
C-root server
ⓘ
linked to:
C-root
|
| hasRedundancy | multiple anycast instances ⓘ |
| hasRootServerLetter | C ⓘ |
| isCriticalInfrastructure | true ⓘ |
| isDocumentedBy |
ICANN root server system documentation
ⓘ
Root Server Technical Operations Association materials ⓘ |
| isIdentifiedInRootHintsFile | true ⓘ |
| isManagedUnder |
ICANN root server system
ⓘ
linked to:
Root Server System
|
| isMonitoredFor |
availability
ⓘ
performance ⓘ security ⓘ |
| isOneOf | thirteen logical DNS root servers ⓘ |
| operatedBy | Cogent Communications ⓘ |
| operatorType | commercial network service provider ⓘ |
| partOf |
DNS root server system
ⓘ
linked to:
Root Server System
|
| providesService | root zone query resolution ⓘ |
| resolves | top-level domain names ⓘ |
| servesClients | recursive resolvers worldwide ⓘ |
| servesRole | authoritative server for the DNS root zone ⓘ |
| supportsFeature | DNSSEC ⓘ |
| supportsProtocol |
DNS
ⓘ
TCP ⓘ
linked to:
Transmission Control Protocol
UDP ⓘ |
| supportsRecordType |
A
ⓘ
AAAA ⓘ DNSKEY ⓘ DS ⓘ NS ⓘ SOA ⓘ |
| usesAnycast | true ⓘ |
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: C-root Description of subject: C-root is one of the thirteen authoritative DNS root servers that provide the foundation for resolving domain names on the global internet.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: C-root