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.ac

second-level domain for academic establishments
Thing second_level_domain Q4545419
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.ac

Summary

.ac is a second-level domain[1].

Key Facts

  • .ac's instance of is recorded as second-level domain[2].
  • .ac's different from is recorded as .ac[3].

Body

Definition and Type

.ac's instance of is recorded as second-level domain[2].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). .ac. Retrieved May 3, 2026, from https://4ort.xyz/entity/-ac
MLA “.ac.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-ac.
BibTeX @misc{4ortxyz_-ac_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{.ac}}, year = {2026}, url = {https://4ort.xyz/entity/-ac}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): .ac — https://4ort.xyz/entity/-ac (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-ac · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 10d ago · Peter James · 2026-07-04 view diff on Wikidata ↗
    Subclass of → Q903444
    Instance of → second-level domain
    "/* wbeditentity-statements-multiple-properties-update:0||2 */ Moving [[Property:P31]] to [[Property:P279]], using [[User:Matěj Suchánek/moveClaim.js|moveClaim.js]]"
  2. 24d ago · Spiral6800 · 2026-06-20 view diff on Wikidata ↗
    Freebase id → /m/0bl3x0
    Wikidata description → second-level domain for academic establishments
    Imported from → —
    Instance of → second-level domain
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P12521]]: .ac"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.