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.

22 hosts · 331 ms

HostCertsFirst seenLast seen
ih.cr 69 2025-08-14 2026-10-06
*.ih.cr 3 2026-02-24 2026-06-19
ns1.ih.cr 7 2026-04-25 2026-10-01
owa.ih.cr 6 2025-08-14 2026-10-01
cloud.ih.cr 1 2025-10-10 2025-10-10
e.ih.cr 1 2025-10-06 2025-10-06
multimedia.e.ih.cr 1 2025-10-06 2025-10-06
www.e.ih.cr 1 2025-10-06 2025-10-06
adobe.ih.cr 4 2026-04-19 2026-09-26
mail.adobe.ih.cr 3 2026-04-19 2026-07-01
www.adobe.ih.cr 4 2026-04-19 2026-09-26
park.ih.cr 5 2026-05-08 2026-09-07
www.park.ih.cr 5 2026-05-08 2026-09-07
mail.ih.cr 6 2025-08-14 2026-10-01
corporacionspcom.ih.cr 5 2026-04-24 2026-08-24
www.corporacionspcom.ih.cr 5 2026-04-24 2026-08-24
dmarccr.ih.cr 5 2026-05-08 2026-09-07
esigncr.ih.cr 5 2026-05-08 2026-09-07
www.esigncr.ih.cr 5 2026-05-08 2026-09-07
autodiscover.ih.cr 6 2025-08-14 2026-10-01
mta-sts.ih.cr 5 2026-04-29 2026-08-27
www.ih.cr 72 2025-08-14 2026-10-06

Programmatic access: API GET /v1/hosts/ih.cr (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/ih.cr.