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.

11 hosts · 306 ms

HostCertsFirst seenLast seen
tendencys.com 27 2025-08-20 2026-09-29
*.tendencys.com 20 2026-05-05 2026-09-29
envia.tendencys.com 5 2026-05-16 2026-09-14
love.tendencys.com 10 2026-05-13 2026-09-08
tndcys-pui.tendencys.com 2 2026-06-30 2026-06-30
partners.tendencys.com 4 2026-06-24 2026-09-22
api.partners.tendencys.com 6 2026-06-23 2026-08-24
accounts.tendencys.com 6 2026-05-16 2026-09-14
charts.tendencys.com 3 2026-09-21 2026-09-21
www.tendencys.com 7 2025-08-20 2026-08-21
ecartpay.tendencys.com 5 2026-05-17 2026-09-15

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