Find every subdomain
of a domain.

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

33 hosts · 320 ms

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HostCertsFirst seenLast seen
trelica.com 8 2026-01-27 2026-09-25
qa.trelica.com 6 2026-02-12 2026-09-23
qa-static.trelica.com 6 2026-02-12 2026-09-23
demo-static.trelica.com 6 2026-03-05 2026-10-10
app-static.trelica.com 6 2025-12-02 2026-09-28
dr-static.trelica.com 2 2026-03-30 2026-08-30
test-static.trelica.com 4 2026-07-28 2026-09-26
eu-static.trelica.com 6 2025-12-02 2026-09-28
dev-static.trelica.com 6 2025-11-10 2026-10-07
click.trelica.com 6 2026-05-21 2026-09-19
legal.trelica.com 8 2026-01-13 2026-09-25
demo.trelica.com 6 2026-03-05 2026-10-10
apm-demo.trelica.com 5 2026-03-05 2026-08-11
help.trelica.com 9 2026-02-24 2026-09-25
app.trelica.com 6 2025-12-02 2026-09-28
dr.trelica.com 2 2026-03-30 2026-08-30
docs.trelica.com 12 2026-02-24 2026-09-29
qa-files.trelica.com 3 2026-05-15 2026-09-30
demo-files.trelica.com 2 2026-05-16 2026-09-30
app-files.trelica.com 2 2026-05-25 2026-10-07
eu-files.trelica.com 3 2026-05-15 2026-09-28
dev-files.trelica.com 3 2026-05-15 2026-09-28
extlinks.trelica.com 12 2026-02-24 2026-09-29
devextlinks.trelica.com 6 2026-02-24 2026-10-07
apm-us.trelica.com 6 2026-02-24 2026-07-31
status.trelica.com 7 2026-02-24 2026-09-29
test.trelica.com 4 2026-07-28 2026-09-26
eu.trelica.com 6 2025-12-02 2026-09-28
apm-eu.trelica.com 6 2026-02-24 2026-07-31
dev.trelica.com 6 2025-11-10 2026-10-07
apm-dev.trelica.com 5 2026-03-04 2026-08-08
*.dev.trelica.com 1 2025-11-10 2025-11-10
www.trelica.com 9 2026-01-13 2026-09-25

Programmatic access: API GET /v1/hosts/trelica.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/trelica.com.