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.

29 hosts · 276 ms

HostCertsFirst seenLast seen
leoncountyfl.gov 109 2025-12-03 2026-10-02
*.leoncountyfl.gov 109 2025-12-03 2026-10-02
webeoc-region2.leoncountyfl.gov 10 2026-05-05 2026-10-07
leonrp2.leoncountyfl.gov 10 2026-05-05 2026-10-07
www2.leoncountyfl.gov 10 2026-05-05 2026-10-07
wwwtax2.leoncountyfl.gov 10 2026-05-05 2026-10-07
ise-ha.leoncountyfl.gov 2 2025-11-03 2025-11-03
tlcaccela.leoncountyfl.gov 10 2026-05-05 2026-10-07
efile2.pa.leoncountyfl.gov 12 2025-09-17 2026-10-07
ise.leoncountyfl.gov 2 2025-11-03 2025-11-03
new-ise.leoncountyfl.gov 2 2025-11-03 2025-11-03
m.leoncountyfl.gov 10 2026-05-05 2026-10-07
itm.leoncountyfl.gov 10 2026-05-05 2026-10-07
tlcaccelasupp.leoncountyfl.gov 10 2026-05-05 2026-10-07
interraster.leoncountyfl.gov 10 2026-05-05 2026-10-07
intervector.leoncountyfl.gov 10 2026-05-05 2026-10-07
publicnotices.leoncountyfl.gov 10 2026-05-05 2026-10-07
tlcgis.leoncountyfl.gov 10 2026-05-05 2026-10-07
uamgis.leoncountyfl.gov 10 2026-05-05 2026-10-07
cms.leoncountyfl.gov 10 2026-05-05 2026-10-07
access.leoncountyfl.gov 4 2026-04-17 2026-09-26
ewarrants.leoncountyfl.gov 10 2026-05-05 2026-10-07
mta-sts.leoncountyfl.gov 4 2026-04-14 2026-09-03
citizensconnect.leoncountyfl.gov 10 2026-05-05 2026-10-07
2ndcircuit.leoncountyfl.gov 10 2026-05-05 2026-10-07
tlcgistest.leoncountyfl.gov 10 2026-05-05 2026-10-07
citizensconnecttest.leoncountyfl.gov 10 2026-05-05 2026-10-07
gisdev.leoncountyfl.gov 10 2026-05-05 2026-10-07
wwwtax.leoncountyfl.gov 10 2026-05-05 2026-10-07

Programmatic access: API GET /v1/hosts/leoncountyfl.gov (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/leoncountyfl.gov.