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.

39 hosts · 182 ms

HostCertsFirst seenLast seen
3commas.io 22 2026-04-14 2026-09-02
*.3commas.io 20 2026-04-29 2026-09-02
email.mail2.3commas.io 4 2026-06-10 2026-10-08
support2.3commas.io 2 2025-07-25 2026-06-24
email.mail3.3commas.io 1 2026-08-21 2026-08-21
static.3commas.io 1 2026-09-07 2026-09-07
lizard.3commas.io 2 2025-09-01 2026-08-02
sst.service.3commas.io 6 2026-06-07 2026-10-05
load.sst.service.3commas.io 17 2026-05-31 2026-09-27
www.sst.service.3commas.io 4 2026-05-01 2026-08-23
trade.3commas.io 9 2026-08-06 2026-10-08
*.trade.3commas.io 8 2026-08-06 2026-10-08
mcp.trade.3commas.io 1 2026-10-07 2026-10-07
api.3commas.io 23 2026-04-25 2026-10-03
*.api.3commas.io 23 2026-04-25 2026-10-03
walletapi.3commas.io 16 2026-05-10 2026-09-06
*.walletapi.3commas.io 16 2026-05-10 2026-09-06
feedback.3commas.io 10 2026-06-02 2026-07-31
cdn.3commas.io 1 2025-10-22 2025-10-22
*.cdn.3commas.io 8 2026-04-29 2026-08-25
app.3commas.io 27 2026-04-26 2026-09-19
*.app.3commas.io 27 2026-04-26 2026-09-19
apple-app-site-association-public.app.3commas.io 8 2026-04-14 2026-08-10
android-assets-public.app.3commas.io 4 2026-05-28 2026-07-26
betadocs.3commas.io 2 2026-04-14 2026-04-14
*.betadocs.3commas.io 2 2026-04-14 2026-04-14
shiftlens.3commas.io 10 2026-05-10 2026-09-09
developers.3commas.io 10 2026-04-22 2026-08-18
assets.3commas.io 18 2026-05-02 2026-08-28
*.assets.3commas.io 18 2026-05-02 2026-08-28
status.3commas.io 4 2026-06-04 2026-08-02
ai-assistant.3commas.io 8 2026-05-27 2026-07-26
client.3commas.io 7 2026-04-27 2026-08-23
*.client.3commas.io 7 2026-04-27 2026-08-23
user-management.3commas.io 12 2026-05-06 2026-09-02
*.user-management.3commas.io 8 2026-05-06 2026-09-02
support.3commas.io 2 2025-07-24 2026-06-23
notify.3commas.io 3 2026-08-06 2026-10-04
*.notify.3commas.io 3 2026-08-06 2026-10-04

Programmatic access: API GET /v1/hosts/3commas.io (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/3commas.io.