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.

21 hosts · 266 ms

HostCertsFirst seenLast seen
lumaris.com 31 2026-04-15 2026-09-22
*.lumaris.com 21 2026-04-15 2026-09-22
myreward.lumaris.com 2 2026-09-04 2026-09-04
*.myreward.lumaris.com 2 2026-09-04 2026-09-04
rewards-staging.lumaris.com 2 2026-09-04 2026-09-04
*.rewards-staging.lumaris.com 2 2026-09-04 2026-09-04
portal.lumaris.com 11 2026-04-30 2026-09-24
pm.lumaris.com 6 2026-08-08 2026-10-06
crm.lumaris.com 10 2026-04-24 2026-08-20
mn.lumaris.com 8 2026-04-22 2026-08-18
pro.lumaris.com 8 2026-05-04 2026-08-30
rewards.lumaris.com 5 2026-06-11 2026-10-09
guides.lumaris.com 10 2026-04-22 2026-08-18
assets.lumaris.com 4 2026-09-01 2026-09-01
charts.lumaris.com 2 2026-10-11 2026-10-11
connect.lumaris.com 8 2026-04-22 2026-08-18
email.ghost.lumaris.com 5 2026-05-07 2026-09-04
www.lumaris.com 6 2026-06-24 2026-10-02
survey.lumaris.com 5 2026-05-24 2026-09-21
mysurvey.lumaris.com 2 2026-09-16 2026-09-16
*.mysurvey.lumaris.com 2 2026-09-16 2026-09-16

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