second-level domain

noun

A domain that is immediately subordinate to a top-level domain (whose name appears after it, with a period separating the two).

“Wiktionary.org is a second-level domain, part of the org top-level domain.”

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounsecond-level domain (plural second-level domains)

plural second-level domains

  1. InternetcomputingA domain that is immediately subordinate to a top-level domain (whose name appears after it, with a period separating the two).

    Wiktionary.org is a second-level domain, part of the org top-level domain.

Translations

Bulgarian доме́йн от вто́ро ниво́
  • доме́йн от вто́ро ниво́ (doméjn ot vtóro nivó)subordinate domain
Polish domena drugiego poziomu
  • domena drugiego poziomusubordinate domain
Cite this entry
APA

second-level domain. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/second-level%20domain

MLA

“second-level domain.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/second-level%20domain. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “second-level domain,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/second-level%20domain.

Source: second-level domain on Wiktionary, CC BY-SA 4.0.