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.

100 hosts (first page) · 483 ms

HostCertsFirst seenLast seenDNS
gamma.app 55 2026-04-29 2026-09-13 ok
*.gamma.app 56 2025-11-16 2026-09-13 —
alpha.gamma.app 5 2026-05-22 2026-09-23 ok
outline-alpha.gamma.app 5 2026-05-15 2026-09-14 ok
api.alpha.gamma.app 5 2026-05-18 2026-09-17 ok
steel.blue.daytona.gamma.app 1 2026-07-23 2026-07-23 nxdomain
otel.blue.daytona.gamma.app 1 2026-07-23 2026-07-23 nxdomain
proxy.blue.daytona.gamma.app 1 2026-07-23 2026-07-23 nxdomain
*.proxy.blue.daytona.gamma.app 1 2026-07-23 2026-07-23 —
lab.gamma.app 4 2026-06-07 2026-10-05 ok
brand.gamma.app 4 2026-04-09 2026-08-07 ok
outline.gamma.app 5 2026-05-15 2026-09-14 ok
labs-staging.gamma.app 5 2026-05-06 2026-09-10 ok
developers-staging.gamma.app 8 2026-05-11 2026-09-06 ok
*.staging.gamma.app 8 2026-05-10 2026-09-05 —
vantara.staging.gamma.app 5 2026-05-12 2026-09-14 ok
*.api-custom-backend.staging.gamma.app 1 2025-12-04 2025-12-04 —
turnstile.staging.gamma.app 6 2026-05-19 2026-09-19 ok
debugging.staging.gamma.app 5 2026-04-21 2026-08-23 ok
marketing.staging.gamma.app 5 2026-04-28 2026-08-31 ok
api.staging.gamma.app 2 2026-02-22 2026-07-10 ok
*.api.staging.gamma.app 14 2026-05-25 2026-09-20 —
mp1.api.staging.gamma.app 2 2026-03-23 2026-08-23 ok
mp2.api.staging.gamma.app 2 2026-03-23 2026-08-23 ok
ai.api.staging.gamma.app 3 2025-09-19 2026-08-20 ok
mp.api.staging.gamma.app 1 2026-01-08 2026-01-08 ok
multiplayer.api.staging.gamma.app 3 2026-03-25 2026-08-25 ok
assets.api.staging.gamma.app 10 2026-05-11 2026-09-06 ok
events.api.staging.gamma.app 2 2025-08-08 2026-07-08 ok
content.api.staging.gamma.app 2 2025-06-27 2026-05-27 nxdomain
acme-co.staging.gamma.app 8 2026-05-10 2026-09-05 ok
vercel-marketing-app.staging.gamma.app 5 2026-05-13 2026-09-17 ok
staging-vercel-app.staging.gamma.app 5 2026-04-28 2026-08-31 ok
vercel-app-sites.staging.gamma.app 6 2026-05-20 2026-09-20 ok
identity.staging.gamma.app 2 2025-10-29 2026-09-29 ok
billing.gamma.app 10 2026-04-21 2026-08-17 ok
idp-auth.gamma.app 9 2026-05-27 2026-09-23 ok
*.api.gamma.app 14 2026-05-25 2026-09-20 —
mp10.api.gamma.app 1 2026-01-15 2026-01-15 ok
mp20.api.gamma.app 2 2025-08-24 2026-07-25 ok
mp30.api.gamma.app 2 2025-09-25 2026-08-26 ok
mp40.api.gamma.app 1 2026-02-11 2026-02-11 ok
mp11.api.gamma.app 2 2025-08-07 2026-07-08 ok
mp21.api.gamma.app 2 2025-08-24 2026-07-25 ok
mp31.api.gamma.app 2 2025-09-25 2026-08-26 ok
mp41.api.gamma.app 1 2026-02-11 2026-02-11 ok
mp1.api.gamma.app 2 2026-03-28 2026-08-28 ok
mp12.api.gamma.app 2 2025-08-07 2026-07-08 ok
mp22.api.gamma.app 2 2025-08-24 2026-07-25 ok
mp32.api.gamma.app 2 2025-09-25 2026-08-26 ok
mp42.api.gamma.app 1 2026-02-11 2026-02-11 ok
mp2.api.gamma.app 2 2026-03-28 2026-08-28 ok
mp13.api.gamma.app 2 2025-08-07 2026-07-08 ok
mp23.api.gamma.app 2 2025-08-24 2026-07-25 ok
mp33.api.gamma.app 1 2026-02-11 2026-02-11 ok
mp43.api.gamma.app 1 2026-02-11 2026-02-11 ok
mp3.api.gamma.app 3 2026-04-18 2026-09-18 ok
mp14.api.gamma.app 2 2025-08-07 2026-07-08 ok
mp24.api.gamma.app 2 2025-08-24 2026-07-25 ok
mp34.api.gamma.app 1 2026-02-11 2026-02-11 ok
mp44.api.gamma.app 1 2026-02-11 2026-02-11 ok
mp4.api.gamma.app 1 2026-01-04 2026-01-04 ok
mp15.api.gamma.app 2 2025-08-07 2026-07-08 ok
mp25.api.gamma.app 2 2025-09-25 2026-08-26 ok
mp35.api.gamma.app 1 2026-02-11 2026-02-11 ok
mp5.api.gamma.app 1 2026-01-04 2026-01-04 ok
mp16.api.gamma.app 2 2025-08-07 2026-07-08 ok
mp26.api.gamma.app 3 2025-09-25 2026-08-26 ok
mp36.api.gamma.app 1 2026-02-11 2026-02-11 ok
mp6.api.gamma.app 1 2026-01-04 2026-01-04 ok
mp17.api.gamma.app 2 2025-08-24 2026-07-25 ok
mp27.api.gamma.app 2 2025-09-25 2026-08-26 ok
mp37.api.gamma.app 1 2026-02-11 2026-02-11 ok
mp7.api.gamma.app 1 2026-01-15 2026-01-15 ok
mp18.api.gamma.app 2 2025-08-24 2026-07-25 ok
mp28.api.gamma.app 2 2025-09-25 2026-08-26 ok
mp38.api.gamma.app 1 2026-02-11 2026-02-11 ok
mp8.api.gamma.app 1 2026-01-15 2026-01-15 ok
mp19.api.gamma.app 2 2025-08-24 2026-07-25 ok
mp29.api.gamma.app 2 2025-09-25 2026-08-26 ok
mp39.api.gamma.app 1 2026-02-11 2026-02-11 ok
mp9.api.gamma.app 1 2026-01-15 2026-01-15 ok
ai.api.gamma.app 2 2025-10-01 2026-09-01 ok
mp.api.gamma.app 1 2026-01-08 2026-01-08 ok
multiplayer.api.gamma.app 3 2026-03-29 2026-08-29 ok
assets.api.gamma.app 16 2026-05-09 2026-09-04 ok
events.api.gamma.app 2 2025-08-08 2026-07-08 ok
content.api.gamma.app 2 2025-06-27 2026-05-27 ok
wandering-swan-gqzvlj.gamma.app 6 2026-07-08 2026-09-05 ok
metabase.internal.gamma.app 2 2026-04-23 2026-09-23 ok
admin-staging.internal.gamma.app 5 2026-04-30 2026-08-31 ok
turbopuffer.staging.internal.gamma.app 3 2026-06-15 2026-07-14 nxdomain
harbor.staging.internal.gamma.app 1 2026-09-29 2026-09-29 nxdomain
admin.internal.gamma.app 5 2026-04-29 2026-08-31 ok
coder.internal.gamma.app 3 2026-07-29 2026-07-31 ok
*.coder.internal.gamma.app 3 2026-07-29 2026-07-31 —
*.apps.coder.internal.gamma.app 1 2026-07-31 2026-07-31 —
turbopuffer.internal.gamma.app 2 2026-07-14 2026-08-07 nxdomain
atlantis.internal.gamma.app 1 2025-10-02 2025-10-02 nxdomain
team.gamma.app 5 2026-05-17 2026-09-14 ok

Showing the first 100 hostnames — sign in with GitHub or Google to page the full list, or use the API with an API key: GET /v1/hosts/gamma.app.

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/gamma.app.