Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

29 hosts · 292 ms

HostCertsFirst seenLast seenDNS
lime.health 53 2026-04-25 2026-09-04 ok
*.lime.health 14 2026-04-25 2026-08-21 —
data.lime.health 5 2026-07-29 2026-09-26 ok
metabase.lime.health 9 2026-08-06 2026-10-05 ok
api.staging.lime.health 12 2026-04-26 2026-08-23 ok
portal.staging.lime.health 8 2026-05-03 2026-08-29 ok
app.staging.lime.health 8 2026-04-25 2026-08-22 ok
my.staging.lime.health 10 2026-05-08 2026-09-03 ok
api.lime.health 8 2026-04-25 2026-08-21 ok
link.lime.health 4 2026-04-21 2026-08-22 ok
login.lime.health 26 2026-04-25 2026-09-22 ok
probo.lime.health 4 2026-06-03 2026-06-03 nxdomain
files.probo.lime.health 3 2026-06-03 2026-06-03 nxdomain
help.lime.health 15 2026-04-25 2026-08-28 ok
app.lime.health 10 2026-04-26 2026-08-22 ok
flags.lime.health 8 2026-05-13 2026-09-08 ok
status.lime.health 5 2026-05-15 2026-09-11 ok
maint-test.lime.health 2 2026-09-24 2026-09-24 ok
trust.lime.health 18 2026-05-16 2026-09-13 ok
data.eu.lime.health 5 2026-07-29 2026-09-26 ok
metabase.eu.lime.health 3 2026-08-10 2026-08-10 ok
api.eu.lime.health 10 2026-04-25 2026-08-22 ok
login.eu.lime.health 20 2026-04-25 2026-08-25 ok
app.eu.lime.health 8 2026-04-24 2026-08-20 ok
flags.eu.lime.health 2 2026-08-26 2026-08-26 ok
maint-test.eu.lime.health 2 2026-09-24 2026-09-24 nxdomain
my.eu.lime.health 8 2026-04-24 2026-08-20 ok
www.lime.health 17 2026-04-25 2026-09-04 ok
my.lime.health 10 2026-05-09 2026-09-04 ok

Programmatic access, with DNS A records: API GET /v1/hosts/lime.health (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/lime.health.