second-level domain

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second-level domain

noun second-level domains

Internet 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.

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MLA

"second-level domain." Wiktionary, via Micwyn, micwyn.com/word/second-level%20domain. Accessed 6 Nov. 2026.

APA

second-level domain. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/second-level%20domain

Chicago

"second-level domain." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/second-level%20domain.

BibTeX

@misc{second_level_domain_2026,
  title = {second-level domain},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/second-level%20domain},
  urldate = {2026-11-06}
}