Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

20 hosts · 522 ms

HostCertsFirst seenLast seenDNS
highsnobiety.com 39 2026-04-12 2026-10-03 ok
*.highsnobiety.com 28 2026-05-21 2026-10-03 —
sense.highsnobiety.com 5 2026-04-23 2026-08-21 ok
archive.highsnobiety.com 11 2026-04-12 2026-08-08 ok
tech.highsnobiety.com 1 2026-01-27 2026-01-27 ok
ec-shop-backend-quh.highsnobiety.com 3 2026-05-17 2026-09-01 ok
wiki.highsnobiety.com 4 2026-05-25 2026-09-13 ok
social.highsnobiety.com 3 2026-05-01 2026-08-19 ok
520m.highsnobiety.com 2 2025-08-24 2026-07-25 ok
www.520m.highsnobiety.com 2 2025-08-24 2026-07-25 ok
open.highsnobiety.com 5 2026-05-29 2026-09-26 ok
digitalstudio.highsnobiety.com 3 2026-07-09 2026-09-07 ok
shop.highsnobiety.com 3 2026-05-25 2026-09-20 ok
coke-ar.highsnobiety.com 3 2026-04-13 2026-09-13 ok
jobs.highsnobiety.com 10 2026-05-26 2026-09-21 ok
events.highsnobiety.com 5 2026-05-19 2026-09-15 ok
mta-sts.highsnobiety.com 10 2026-05-06 2026-09-27 ok
surveys.highsnobiety.com 5 2026-05-20 2026-09-17 ok
crocsmellow.highsnobiety.com 2 2025-06-14 2026-05-15 ok
company.highsnobiety.com 4 2026-04-20 2026-08-18 ok

Programmatic access, with DNS A records: API GET /v1/hosts/highsnobiety.com (API key for paging).

Shown here: hostnames with a certificate that is valid now or expired within the last 90 days. The full history since 2013 — hostnames whose last certificate expired earlier — is a Pro plan method: GET /v1/hosts-history/highsnobiety.com.