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.

100 hosts (first page) · 284 ms

HostCertsFirst seenLast seen
ui.com 62 2025-06-13 2026-09-12
*.ui.com 87 2025-06-13 2026-09-18
cell0.ui.com 2 2026-02-07 2026-02-07
*.cell0.ui.com 2 2026-02-07 2026-02-07
uid1.ui.com 3 2026-02-18 2026-07-12
*.uid1.ui.com 3 2026-02-18 2026-07-12
cell1.ui.com 2 2026-02-07 2026-02-08
*.cell1.ui.com 2 2026-02-07 2026-02-08
uid2.ui.com 3 2025-12-17 2026-07-12
*.uid2.ui.com 3 2025-12-17 2026-07-12
cell2.ui.com 2 2026-02-07 2026-02-07
*.cell2.ui.com 2 2026-02-07 2026-02-07
uid3.ui.com 2 2025-12-07 2025-12-07
*.uid3.ui.com 2 2025-12-07 2025-12-07
cell3.ui.com 2 2026-02-07 2026-02-08
*.cell3.ui.com 2 2026-02-07 2026-02-08
nca.ui.com 2 2025-09-04 2026-08-04
*.nca.ui.com 2 2025-09-04 2026-08-04
alpha.ui.com 4 2025-06-12 2026-09-10
*.alpha.ui.com 4 2025-06-12 2026-09-10
uid1.alpha.ui.com 2 2025-12-03 2025-12-10
*.uid1.alpha.ui.com 2 2025-12-03 2025-12-10
uid2.alpha.ui.com 2 2025-12-15 2025-12-16
*.uid2.alpha.ui.com 2 2025-12-15 2025-12-16
uid3.alpha.ui.com 5 2025-08-22 2026-07-23
*.uid3.alpha.ui.com 5 2025-08-22 2026-07-23
uid.alpha.ui.com 12 2025-08-17 2026-08-18
*.uid.alpha.ui.com 12 2025-08-17 2026-08-18
cawpass.alpha.ui.com 3 2026-09-10 2026-09-10
*.cawpass.alpha.ui.com 3 2026-09-10 2026-09-10
rma.ui.com 4 2025-09-03 2026-08-03
*.rma.ui.com 4 2025-09-03 2026-08-03
directrma.ui.com 2 2025-06-22 2026-05-21
*.directrma.ui.com 2 2025-06-22 2026-05-21
unifi-qa.ui.com 2 2025-12-08 2026-06-12
*.unifi-qa.ui.com 4 2025-12-08 2026-08-12
*.qa.ui.com 2 2026-08-12 2026-08-12
unifi.qa.ui.com 1 2026-06-12 2026-06-12
*.unifi.qa.ui.com 3 2026-06-12 2026-08-12
static.ui.com 2 2026-02-22 2026-07-10
svc.ui.com 45 2025-06-17 2026-09-29
*.svc.ui.com 71 2025-06-14 2026-09-29
wanmagic-api-eu-central-1.svc.ui.com 1 2025-06-19 2025-06-19
*.wanmagic-api-eu-central-1.svc.ui.com 1 2025-06-19 2025-06-19
nca-iot-eu-central-1.svc.ui.com 1 2026-01-22 2026-01-22
cap-iot-eu-central-1.svc.ui.com 2 2025-09-12 2026-08-13
internal-cap-iot-eu-central-1.svc.ui.com 2 2026-03-24 2026-06-16
wanmagic-bond-report-eu-central-1.svc.ui.com 1 2025-06-19 2025-06-19
*.wanmagic-bond-report-eu-central-1.svc.ui.com 1 2025-06-19 2025-06-19
nca-iot-us-east-2.svc.ui.com 2 2025-08-18 2026-07-19
nca-iot-us-west-2.svc.ui.com 2 2025-08-18 2026-07-19
cap-iot-us-west-2.svc.ui.com 2 2025-08-01 2026-07-02
internal-cap-iot-us-west-2.svc.ui.com 2 2026-03-24 2026-06-16
uid1.alpha.svc.ui.com 1 2025-12-03 2025-12-03
*.uid1.alpha.svc.ui.com 1 2025-12-03 2025-12-03
uid2.alpha.svc.ui.com 1 2025-12-16 2025-12-16
*.uid2.alpha.svc.ui.com 1 2025-12-16 2025-12-16
uid3.alpha.svc.ui.com 1 2025-12-04 2025-12-04
*.uid3.alpha.svc.ui.com 1 2025-12-04 2025-12-04
uid.alpha.svc.ui.com 4 2025-09-18 2026-08-18
*.uid.alpha.svc.ui.com 4 2025-09-18 2026-08-18
cawpass.alpha.svc.ui.com 1 2026-09-10 2026-09-10
*.cawpass.alpha.svc.ui.com 1 2026-09-10 2026-09-10
rma.svc.ui.com 2 2025-06-22 2026-05-21
*.rma.svc.ui.com 2 2025-06-22 2026-05-21
fabric.svc.ui.com 2 2025-10-29 2026-09-29
*.fabric.svc.ui.com 2 2025-10-29 2026-09-29
factory-report-generic.svc.ui.com 5 2025-10-28 2025-12-17
*.factory-report-generic.svc.ui.com 5 2025-10-28 2025-12-17
events.uwc.svc.ui.com 2 2025-07-16 2025-07-16
backup-download.svc.ui.com 1 2026-07-31 2026-07-31
protect-cv-report-upload.svc.ui.com 2 2025-07-22 2026-06-22
*.protect-cv-report-upload.svc.ui.com 2 2025-07-22 2026-06-22
ai-backend.svc.ui.com 1 2026-07-22 2026-07-22
fabric-cloud.svc.ui.com 4 2025-10-14 2026-09-14
*.fabric-cloud.svc.ui.com 4 2025-10-14 2026-09-14
template-cloud.svc.ui.com 2 2025-11-06 2026-10-07
internal-template-cloud.svc.ui.com 2 2025-11-06 2026-10-07
*.template-cloud.svc.ui.com 2 2025-11-06 2026-10-07
fabric-drive-cloud.svc.ui.com 4 2025-10-14 2026-09-14
*.fabric-drive-cloud.svc.ui.com 4 2025-10-14 2026-09-14
fabric-systemlog-cloud.svc.ui.com 3 2025-10-09 2026-09-09
internal-fabric-systemlog-cloud.svc.ui.com 3 2025-10-09 2026-09-09
*.fabric-systemlog-cloud.svc.ui.com 3 2025-10-09 2026-09-09
nca-network-cloud.svc.ui.com 2 2025-10-15 2026-09-15
internal-nca-network-cloud.svc.ui.com 2 2025-10-15 2026-09-15
*.nca-network-cloud.svc.ui.com 2 2025-10-15 2026-09-15
isp-cloud.svc.ui.com 2 2026-07-06 2026-07-06
internal-isp-cloud.svc.ui.com 1 2026-07-06 2026-07-06
trace.svc.ui.com 1 2025-12-15 2025-12-15
*.trace.svc.ui.com 1 2025-12-15 2025-12-15
crash-report-service.svc.ui.com 1 2026-01-10 2026-01-10
*.crash-report-service.svc.ui.com 1 2026-01-10 2026-01-10
storage.svc.ui.com 2 2026-06-02 2026-06-02
webhooks.storage.svc.ui.com 1 2026-06-03 2026-06-03
megaphone.svc.ui.com 2 2025-12-10 2026-02-10
*.megaphone.svc.ui.com 2 2025-12-10 2026-02-10
admin.megaphone.svc.ui.com 1 2025-12-10 2025-12-10
analytics-core.svc.ui.com 2 2025-07-15 2026-06-14
*.analytics-core.svc.ui.com 2 2025-07-15 2026-06-14

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/ui.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/ui.com.