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second-level domain

domain that is directly below a top-level domain
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second-level domain

Summary

second-level domain ranks in the top 2% of general entities by monthly Wikipedia readership (140 views/month).[1]

Key Facts

  • second-level domain's follows is recorded as top-level domain[2].
  • second-level domain's followed by is recorded as third-level domain[3].
  • second-level domain's subclass of is recorded as domain name[4].
  • second-level domain's has part is recorded as country code second-level domain[5].
  • second-level domain's Freebase ID is recorded as /m/05lm8n[6].
  • second-level domain's topic's main category is recorded as Category:Second-level domains[7].
  • second-level domain's described by source is recorded as RFC 920: Domain requirements[8].
  • second-level domain's described by source is recorded as RFC 1386: The US Domain[9].
  • second-level domain's described by source is recorded as RFC 1480: The US Domain[10].
  • second-level domain's described by source is recorded as RFC 2606: Reserved Top Level DNS Names[11].
  • second-level domain's described by source is recorded as RFC 6927: Variants in Second-Level Names Registered in Top-Level Domains[12].
  • second-level domain's Zhihu topic ID is recorded as 19592749[13].
  • second-level domain's next lower rank is recorded as third-level domain[14].
  • second-level domain's next higher rank is recorded as top-level domain[15].
  • second-level domain's KBpedia ID is recorded as SecondLevelDomain[16].
  • second-level domain's ICANNWiki page ID is recorded as Second_Level_Domain[17].

Why It Matters

second-level domain ranks in the top 2% of general entities by monthly Wikipedia readership (140 views/month).[1] It has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[18] It is known by 16 alternative names across languages and contexts.[19]

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . icannwiki.org. icannwiki.org. Provenance: wikidata.org.
  5. [6] ↑ . Freebase Data Dumps. wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . KBpedia. Retrieved . wikidata.org.
  16. [17] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [18] ↑ . Wikidata sitelinks. wikidata.org.
  3. [19] ↑ . Wikidata aliases. 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). second-level domain. Retrieved April 10, 2026, from https://4ort.xyz/entity/second-level-domain
MLA “second-level domain.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/second-level-domain.
BibTeX @misc{4ortxyz_second-level-domain_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{second-level domain}}, year = {2026}, url = {https://4ort.xyz/entity/second-level-domain}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): second-level domain — https://4ort.xyz/entity/second-level-domain (retrieved 2026-04-10)

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