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) · 766 ms

HostCertsFirst seenLast seenDNS
google.com 383 2026-04-13 2026-10-02 ok
*.google.com 383 2026-04-13 2026-10-02 —
silva-staging-us-east10.google.com 60 2026-06-07 2026-09-28 ok
qbone-staging-us-east10.google.com 60 2026-06-07 2026-09-28 ok
qbone-dev-us-east10.google.com 60 2026-06-07 2026-09-28 ok
*.area120.google.com 236 2026-04-13 2026-09-28 —
calljoy.area120.google.com 247 2026-04-13 2026-09-28 ok
bpui0.google.com 137 2026-04-13 2026-09-28 ok
qbone-emea-1.google.com 60 2026-06-07 2026-09-28 nxdomain
s.svc-1.google.com 186 2026-04-13 2026-09-28 ok
*.s.svc-1.google.com 186 2026-04-13 2026-09-28 —
qbone-us-east-crash-1.google.com 60 2026-06-07 2026-09-28 ok
qbone-gdce-integration-1.google.com 60 2026-06-07 2026-09-28 ok
qbone-us-east-1.google.com 60 2026-06-07 2026-09-28 nxdomain
qbone-us-west-1.google.com 60 2026-06-07 2026-09-28 nxdomain
qbone-gdc-edgesite1.google.com 60 2026-06-07 2026-09-28 ok
qbone-europe-north1.google.com 60 2026-06-07 2026-09-28 ok
qbone-africa-south1.google.com 60 2026-06-07 2026-09-28 ok
qbone-asia-south1.google.com 60 2026-06-07 2026-09-28 ok
qbone-me-central1.google.com 60 2026-06-07 2026-09-28 ok
qbone-us-central1.google.com 60 2026-06-07 2026-09-28 ok
qbone-southamerica-east1.google.com 60 2026-06-07 2026-09-28 ok
qbone-asia-east1.google.com 60 2026-06-07 2026-09-28 ok
qbone-us-east1.google.com 60 2026-06-07 2026-09-28 ok
outpost-us-east1.google.com 60 2026-06-07 2026-09-28 ok
qbone-northamerica-northeast1.google.com 60 2026-06-07 2026-09-28 ok
qbone-asia-northeast1.google.com 60 2026-06-07 2026-09-28 ok
silva-australia-southeast1.google.com 60 2026-06-07 2026-09-28 ok
qbone-australia-southeast1.google.com 60 2026-06-07 2026-09-28 ok
qbone-asia-southeast1.google.com 60 2026-06-07 2026-09-28 ok
qbone-me-west1.google.com 60 2026-06-07 2026-09-28 ok
silva-europe-west1.google.com 60 2026-06-07 2026-09-28 ok
qbone-europe-west1.google.com 60 2026-06-07 2026-09-28 ok
silva-us-west1.google.com 60 2026-06-07 2026-09-28 ok
qbone-us-west1.google.com 60 2026-06-07 2026-09-28 ok
qbone-southamerica-east1-ext1.google.com 60 2026-06-07 2026-09-28 nxdomain
qbone-emea-2.google.com 60 2026-06-07 2026-09-28 nxdomain
qbone-apac-2.google.com 60 2026-06-07 2026-09-28 nxdomain
qbone-gdc-edgesite2.google.com 60 2026-06-07 2026-09-28 nxdomain
qbone-asia-south2.google.com 60 2026-06-07 2026-09-28 ok
qbone-europe-central2.google.com 60 2026-06-07 2026-09-28 ok
qbone-us-central2.google.com 60 2026-06-07 2026-09-28 ok
qbone-asia-east2.google.com 60 2026-06-07 2026-09-28 ok
qbone-northamerica-northeast2.google.com 60 2026-06-07 2026-09-28 ok
qbone-asia-northeast2.google.com 60 2026-06-07 2026-09-28 ok
qbone-australia-southeast2.google.com 60 2026-06-07 2026-09-28 ok
qbone-asia-southeast2.google.com 60 2026-06-07 2026-09-28 ok
qbone-europe-west2.google.com 60 2026-06-07 2026-09-28 ok
qbone-us-west2.google.com 60 2026-06-07 2026-09-28 ok
qbone-apac-3.google.com 60 2026-06-07 2026-09-28 nxdomain
silva-asia-northeast3.google.com 60 2026-06-07 2026-09-28 ok
qbone-asia-northeast3.google.com 60 2026-06-07 2026-09-28 ok
silva-europe-west3.google.com 60 2026-06-07 2026-09-28 ok
qbone-europe-west3.google.com 60 2026-06-07 2026-09-28 ok
qbone-us-west3.google.com 60 2026-06-07 2026-09-28 ok
silva-us-east-4.google.com 60 2026-06-07 2026-09-28 ok
qbone-us-east4.google.com 60 2026-06-07 2026-09-28 ok
qbone-europe-west4.google.com 60 2026-06-07 2026-09-28 ok
qbone-us-west4.google.com 60 2026-06-07 2026-09-28 ok
*.clients6.google.com 151 2026-04-13 2026-09-28 —
*.pa.clients6.google.com 151 2026-04-13 2026-09-28 —
*.mtls.pa.clients6.google.com 139 2026-04-13 2026-09-28 —
*.mtls.clients6.google.com 139 2026-04-13 2026-09-28 —
qbone-europe-west6.google.com 60 2026-06-07 2026-09-28 ok
mlcc.google.com 298 2026-04-13 2026-09-28 nodata
*.mlcc.google.com 298 2026-04-13 2026-09-28 —
misc.google.com 186 2026-04-13 2026-09-28 nxdomain
upload.google.com 147 2026-04-13 2026-09-28 ok
*.upload.google.com 147 2026-04-13 2026-09-28 —
connected.google.com 8 2026-09-28 2026-09-28 nxdomain
*.connected.google.com 8 2026-09-28 2026-09-28 —
android.google.com 135 2026-04-13 2026-09-28 ok
*.android.google.com 135 2026-04-13 2026-09-28 —
deepmind.google.com 262 2026-04-13 2026-09-28 ok
*.deepmind.google.com 262 2026-04-13 2026-09-28 —
bod.google.com 200 2026-04-13 2026-09-28 nodata
*.bod.google.com 200 2026-04-13 2026-09-28 —
ics.prod.google.com 149 2026-04-28 2026-09-29 nxdomain
*.cloud.google.com 533 2026-04-13 2026-10-02 —
*.europe-west10.cloud.google.com 137 2026-04-13 2026-09-28 —
datastudio.europe-west10.cloud.google.com 137 2026-04-13 2026-09-28 ok
lookerstudio.europe-west10.cloud.google.com 137 2026-04-13 2026-09-28 ok
*.europe-north1.cloud.google.com 137 2026-04-13 2026-09-28 —
datastudio.europe-north1.cloud.google.com 137 2026-04-13 2026-09-28 ok
lookerstudio.europe-north1.cloud.google.com 137 2026-04-13 2026-09-28 ok
*.northamerica-south1.cloud.google.com 137 2026-04-13 2026-09-28 —
datastudio.northamerica-south1.cloud.google.com 137 2026-04-13 2026-09-28 ok
lookerstudio.northamerica-south1.cloud.google.com 137 2026-04-13 2026-09-28 ok
*.africa-south1.cloud.google.com 138 2026-04-13 2026-09-28 —
datastudio.africa-south1.cloud.google.com 138 2026-04-13 2026-09-28 ok
lookerstudio.africa-south1.cloud.google.com 138 2026-04-13 2026-09-28 ok
*.asia-south1.cloud.google.com 137 2026-04-13 2026-09-28 —
datastudio.asia-south1.cloud.google.com 137 2026-04-13 2026-09-28 ok
lookerstudio.asia-south1.cloud.google.com 137 2026-04-13 2026-09-28 ok
*.us-south1.cloud.google.com 136 2026-04-13 2026-09-28 —
datastudio.us-south1.cloud.google.com 136 2026-04-13 2026-09-28 ok
lookerstudio.us-south1.cloud.google.com 136 2026-04-13 2026-09-28 ok
*.me-central1.cloud.google.com 137 2026-04-13 2026-09-28 —
datastudio.me-central1.cloud.google.com 137 2026-04-13 2026-09-28 ok
lookerstudio.me-central1.cloud.google.com 137 2026-04-13 2026-09-28 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/google.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/google.com.