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) · 937 ms

HostCertsFirst seenLast seenDNS
meta.com 285 2026-04-10 2026-10-07 ok
*.meta.com 285 2026-04-10 2026-10-07 —
llama.meta.com 283 2026-04-10 2026-10-07 ok
*.llama.meta.com 283 2026-04-10 2026-10-07 —
threatexchange.meta.com 288 2026-04-10 2026-10-07 ok
*.threatexchange.meta.com 288 2026-04-10 2026-10-07 —
imagine.meta.com 291 2026-04-10 2026-10-07 ok
*.imagine.meta.com 291 2026-04-10 2026-10-07 —
graph.meta.com 337 2026-04-10 2026-10-07 nodata
*.graph.meta.com 337 2026-04-10 2026-10-07 —
auth.meta.com 290 2026-04-10 2026-10-07 ok
*.auth.meta.com 290 2026-04-10 2026-10-07 —
ai.meta.com 287 2026-04-21 2026-10-07 ok
*.ai.meta.com 287 2026-04-21 2026-10-07 —
api.meta.com 337 2026-04-10 2026-10-07 nodata
*.api.meta.com 337 2026-04-10 2026-10-07 —
marketingapi.meta.com 367 2026-06-09 2026-10-07 nxdomain
*.marketingapi.meta.com 367 2026-06-09 2026-10-07 —
spark.meta.com 287 2026-04-10 2026-10-07 ok
*.spark.meta.com 287 2026-04-10 2026-10-07 —
work.meta.com 290 2026-04-10 2026-10-07 ok
*.work.meta.com 290 2026-04-10 2026-10-07 —
alpha.work.meta.com 305 2026-04-10 2026-10-07 ok
*.alpha.work.meta.com 305 2026-04-10 2026-10-07 —
beta.work.meta.com 305 2026-04-10 2026-10-07 ok
*.beta.work.meta.com 305 2026-04-10 2026-10-07 —
prod.work.meta.com 305 2026-04-10 2026-10-07 ok
*.prod.work.meta.com 305 2026-04-10 2026-10-07 —
trunkstable.work.meta.com 305 2026-04-10 2026-10-07 ok
*.trunkstable.work.meta.com 305 2026-04-10 2026-10-07 —
cinyour.work.meta.com 305 2026-04-10 2026-10-07 nxdomain
*.cinyour.work.meta.com 305 2026-04-10 2026-10-07 —
latest.work.meta.com 305 2026-04-10 2026-10-07 ok
*.latest.work.meta.com 305 2026-04-10 2026-10-07 —
horizon.meta.com 289 2026-04-10 2026-10-07 ok
*.horizon.meta.com 289 2026-04-10 2026-10-07 —
*.alpha.horizon.meta.com 289 2026-04-10 2026-10-07 —
*.beta.horizon.meta.com 289 2026-04-10 2026-10-07 —
*.prod.horizon.meta.com 289 2026-04-10 2026-10-07 —
*.trunkstable.horizon.meta.com 289 2026-04-10 2026-10-07 —
*.cinyour.horizon.meta.com 289 2026-04-10 2026-10-07 —
*.latest.horizon.meta.com 289 2026-04-10 2026-10-07 —
ar.meta.com 289 2026-04-10 2026-10-07 ok
*.ar.meta.com 289 2026-04-10 2026-10-07 —
rupload.ar.meta.com 287 2026-04-10 2026-10-07 ok
devicemanager.meta.com 286 2026-04-10 2026-10-07 ok
*.devicemanager.meta.com 286 2026-04-10 2026-10-07 —
lookaside.devicemanager.meta.com 338 2026-04-10 2026-10-07 nxdomain
developer.meta.com 289 2026-04-10 2026-10-07 ok
*.developer.meta.com 289 2026-04-10 2026-10-07 —
alpha.developer.meta.com 306 2026-04-10 2026-10-07 ok
*.alpha.developer.meta.com 306 2026-04-10 2026-10-07 —
beta.developer.meta.com 306 2026-04-10 2026-10-07 ok
*.beta.developer.meta.com 306 2026-04-10 2026-10-07 —
wearable.developer.meta.com 288 2026-04-10 2026-10-07 ok
*.wearable.developer.meta.com 288 2026-04-10 2026-10-07 —
trunkstable.developer.meta.com 306 2026-04-10 2026-10-07 ok
*.trunkstable.developer.meta.com 306 2026-04-10 2026-10-07 —
wearables.developer.meta.com 285 2026-04-10 2026-10-07 ok
*.wearables.developer.meta.com 285 2026-04-10 2026-10-07 —
latest.developer.meta.com 308 2026-04-10 2026-10-07 ok
*.latest.developer.meta.com 308 2026-04-10 2026-10-07 —
gateway.developer.meta.com 288 2026-04-10 2026-10-07 ok
accountscenter.meta.com 288 2026-04-10 2026-10-07 ok
*.accountscenter.meta.com 288 2026-04-10 2026-10-07 —
familycenter.meta.com 284 2026-04-10 2026-10-07 ok
*.familycenter.meta.com 284 2026-04-10 2026-10-07 —
wearables.meta.com 292 2026-04-10 2026-10-07 ok
*.wearables.meta.com 292 2026-04-10 2026-10-07 —
external-disputes.meta.com 545 2026-04-10 2026-10-07 ok
*.external-disputes.meta.com 545 2026-04-10 2026-10-07 —
aidemos.meta.com 542 2026-04-10 2026-10-07 ok
*.aidemos.meta.com 542 2026-04-10 2026-10-07 —
alpha.aidemos.meta.com 542 2026-04-10 2026-10-07 ok
*.alpha.aidemos.meta.com 542 2026-04-10 2026-10-07 —
beta.aidemos.meta.com 542 2026-04-10 2026-10-07 ok
*.beta.aidemos.meta.com 542 2026-04-10 2026-10-07 —
prod.aidemos.meta.com 542 2026-04-10 2026-10-07 ok
*.prod.aidemos.meta.com 542 2026-04-10 2026-10-07 —
trunkstable.aidemos.meta.com 542 2026-04-10 2026-10-07 ok
*.trunkstable.aidemos.meta.com 542 2026-04-10 2026-10-07 —
latest.aidemos.meta.com 542 2026-04-10 2026-10-07 ok
*.latest.aidemos.meta.com 542 2026-04-10 2026-10-07 —
developers.meta.com 553 2026-04-10 2026-10-07 ok
*.developers.meta.com 553 2026-04-10 2026-10-07 —
alpha.developers.meta.com 305 2026-04-10 2026-10-07 ok
*.alpha.developers.meta.com 305 2026-04-10 2026-10-07 —
beta.developers.meta.com 305 2026-04-10 2026-10-07 ok
*.beta.developers.meta.com 305 2026-04-10 2026-10-07 —
trunkstable.developers.meta.com 305 2026-04-10 2026-10-07 ok
*.trunkstable.developers.meta.com 305 2026-04-10 2026-10-07 —
latest.developers.meta.com 301 2026-04-10 2026-10-07 ok
*.latest.developers.meta.com 301 2026-04-10 2026-10-07 —
gateway.developers.meta.com 291 2026-04-10 2026-10-07 ok
payments.meta.com 286 2026-04-10 2026-10-07 ok
*.payments.meta.com 286 2026-04-10 2026-10-07 —
accounts.meta.com 287 2026-04-10 2026-10-07 ok
*.accounts.meta.com 287 2026-04-10 2026-10-07 —
lookaside.officialrequests.meta.com 195 2026-07-17 2026-10-07 ok
quest.meta.com 289 2026-04-10 2026-10-07 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/meta.com.

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/meta.com.