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.

45 hosts · 176 ms

HostCertsFirst seenLast seen
machineseeker.com 4 2026-06-09 2026-10-08
jfyecc.machineseeker.com 2 2026-06-03 2026-08-12
static.machineseeker.com 4 2026-06-09 2026-10-08
android.machineseeker.com 4 2026-06-09 2026-10-08
service.machineseeker.com 10 2026-06-06 2026-10-02
nue.machineseeker.com 5 2026-05-23 2026-09-21
static.nue.machineseeker.com 4 2026-04-17 2026-08-15
android.nue.machineseeker.com 5 2026-05-23 2026-09-21
api.nue.machineseeker.com 5 2026-05-23 2026-09-21
cdn.nue.machineseeker.com 4 2026-04-17 2026-08-15
ios.nue.machineseeker.com 5 2026-05-23 2026-09-21
blog.machineseeker.com 1 2026-06-08 2026-06-08
www.blog.machineseeker.com 1 2026-06-08 2026-06-08
api.machineseeker.com 4 2026-06-09 2026-10-08
lej.machineseeker.com 6 2026-05-21 2026-09-18
static.lej.machineseeker.com 4 2026-04-16 2026-08-15
android.lej.machineseeker.com 5 2026-05-23 2026-09-21
api.lej.machineseeker.com 5 2026-05-23 2026-09-21
cdn.lej.machineseeker.com 4 2026-04-16 2026-08-15
ios.lej.machineseeker.com 5 2026-05-23 2026-09-21
local.machineseeker.com 5 2026-05-07 2026-09-04
static.local.machineseeker.com 5 2026-06-04 2026-10-02
android.local.machineseeker.com 5 2026-05-18 2026-09-17
api.local.machineseeker.com 5 2026-05-18 2026-09-17
cdn.local.machineseeker.com 5 2026-06-04 2026-10-02
ios.local.machineseeker.com 5 2026-05-18 2026-09-17
cdn.machineseeker.com 5 2026-05-18 2026-09-15
help.machineseeker.com 8 2026-05-01 2026-08-27
ios.machineseeker.com 4 2026-06-09 2026-10-08
press.machineseeker.com 5 2026-05-23 2026-09-21
mta-sts.machineseeker.com 4 2026-06-09 2026-10-08
systemtest.machineseeker.com 5 2026-05-07 2026-09-03
static.systemtest.machineseeker.com 4 2026-06-05 2026-10-04
android.systemtest.machineseeker.com 5 2026-05-17 2026-09-14
api.systemtest.machineseeker.com 5 2026-05-17 2026-09-14
cdn.systemtest.machineseeker.com 4 2026-06-05 2026-10-04
ios.systemtest.machineseeker.com 5 2026-05-17 2026-09-14
www.machineseeker.com 4 2026-06-09 2026-10-08
sandbox.machineseeker.com 5 2026-05-07 2026-09-04
static.sandbox.machineseeker.com 5 2026-05-23 2026-09-21
android.sandbox.machineseeker.com 5 2026-05-17 2026-09-15
api.sandbox.machineseeker.com 5 2026-05-17 2026-09-15
cdn.sandbox.machineseeker.com 5 2026-05-23 2026-09-21
ios.sandbox.machineseeker.com 5 2026-05-17 2026-09-15
company.machineseeker.com 8 2026-05-03 2026-08-30

Programmatic access: API GET /v1/hosts/machineseeker.com (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/machineseeker.com.