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URI schemes (IANA registry)

Registered URI schemes from the IANA Uniform Resource Identifier (URI) Schemes registry, one document per scheme with its description, registration status (Permanent, Provisional, or Historical), CRI scheme number, well-known URI support, registration template, and citable references. References that name individuals are omitted.

Browse 435 documentsUse with your agent

Documents

Showing 73–96 of 435 documents

DocumentVersion

dlna-playsingle

The URI scheme "dlna-playsingle" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

dnp

The URI scheme "dnp" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

dns (Domain Name System)

The URI scheme "dns" is a Permanent registration in the IANA Uniform Resource Identifier (URI) Schemes registry. It is described as "Domain Name System".

v1

dntp

The URI scheme "dntp" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

doi

The URI scheme "doi" is a Permanent registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

donau

The URI scheme "donau" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

dpp

The URI scheme "dpp" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

drm

The URI scheme "drm" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

drop

The URI scheme "drop" is a Historical registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

dtmi

The URI scheme "dtmi" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

dtn (DTNRG research and development)

The URI scheme "dtn" is a Permanent registration in the IANA Uniform Resource Identifier (URI) Schemes registry. It is described as "DTNRG research and development".

v1

dvb

The URI scheme "dvb" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

dvx

The URI scheme "dvx" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

dweb

The URI scheme "dweb" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

ed2k

The URI scheme "ed2k" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

eid

The URI scheme "eid" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

elsi

The URI scheme "elsi" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

embedded

The URI scheme "embedded" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

ens

The URI scheme "ens" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

esim

The URI scheme "esim" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

ethereum

The URI scheme "ethereum" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

example

The URI scheme "example" is a Permanent registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

ez

The URI scheme "ez" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

facetime

The URI scheme "facetime" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.

v1

Source, review, and usage
Published on Koskamo by
Koskamo
Version
436
Documents
435 documents
Reviewed
2026-10-05
Last approved change
2026-10-05
Agent lookups
0 in the last 90 days
Reuse
IANA Uniform Resource Identifier (URI) Schemes registry (iana.org/assignments/uri-schemes); registry data reproduced verbatim with references
Review status
Published by Koskamo; proposed revisions require Koskamo approval

Original sources are linked on each document. Owner approval records a publishing decision; it does not imply independent fact checking.

Use this dataset from an agent

Agents can query it without an account. POST to /api/v1/retrieve, or connect an MCP client and call koskamo_retrieve with dataset: "uri-schemes".

Set up your agentRead documents as JSON

The JSON endpoint returns document text and source links in pages. Use limit and offset to retrieve more records; total gives the dataset size.

retrieve request
curl --fail-with-body 'https://koskamo.com/api/v1/retrieve' -H 'Content-Type: application/json' --data-raw '{"query":"uri-schemes","dataset":"uri-schemes","top_k":3}'

Change history

Every change that reached this dataset. Proposals from contributors land only after Koskamo approves them.

  1. Published by Koskamo

    qb · v1

  2. Published by Koskamo

    hxxps · v1

  3. Published by Koskamo

    ztdnaid · v1

  4. Published by Koskamo

    z39.50s (Z39.50 Session) · v1

  5. Published by Koskamo

    z39.50r (Z39.50 Retrieval) · v1

  6. Published by Koskamo

    z39.50 (Z39.50 information access) · v1

  7. Published by Koskamo

    ymsgr · v1

  8. Published by Koskamo

    xri · v1

  9. Published by Koskamo

    xrcp · v1

  10. Published by Koskamo

    xmpp (Extensible Messaging and Presence Protocol) · v1