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.

18 hosts · 263 ms

HostCertsFirst seenLast seen
ifolor.fi 5 2026-05-20 2026-09-19
pelaa.ifolor.fi 2 2025-09-19 2026-08-20
kuvakisa.ifolor.fi 5 2026-05-22 2026-09-19
service.ifolor.fi 10 2026-05-07 2026-09-02
www-prelive.ifolor.fi 5 2026-06-06 2026-10-04
ion.ifolor.fi 1 2026-09-24 2026-09-24
order.ifolor.fi 4 2025-08-18 2026-10-04
testorder.ifolor.fi 8 2026-04-14 2026-09-20
s1-devorder.ifolor.fi 6 2026-06-19 2026-09-04
s2-devorder.ifolor.fi 6 2026-06-19 2026-09-04
s3-devorder.ifolor.fi 6 2026-06-19 2026-09-04
s4-devorder.ifolor.fi 6 2026-06-19 2026-09-04
s5-devorder.ifolor.fi 6 2026-06-19 2026-09-04
news.ifolor.fi 10 2026-05-04 2026-08-31
www-test.ifolor.fi 5 2026-06-06 2026-10-04
kilpailut.ifolor.fi 5 2026-05-22 2026-09-19
www-dev.ifolor.fi 5 2026-04-27 2026-08-26
www.ifolor.fi 6 2025-08-12 2026-10-02

Programmatic access: API GET /v1/hosts/ifolor.fi (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/ifolor.fi.