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.

27 hosts · 582 ms

HostCertsFirst seenLast seenDNS
hims.com 4 2026-04-12 2026-08-10 ok
intake.hims.com 1 2026-08-05 2026-08-05 ok
marketing.hims.com 2 2025-09-23 2026-08-24 ok
www.marketing.hims.com 2 2025-09-23 2026-08-24 ok
assistant-api.hims.com 12 2026-05-26 2026-09-22 ok
content-api.hims.com 8 2026-05-12 2026-09-07 ok
tm.hims.com 3 2026-05-10 2026-08-26 ok
app.hims.com 2 2025-06-17 2026-05-18 ok
link.app.hims.com 4 2026-05-12 2026-07-27 ok
test-link.app.hims.com 4 2026-05-07 2026-07-23 ok
www.app.hims.com 2 2025-06-17 2026-05-18 ok
flow-server.hims.com 13 2026-05-28 2026-09-23 ok
dark-flow-server.hims.com 8 2026-05-21 2026-09-17 ok
investors.hims.com 16 2026-05-14 2026-09-09 ok
links.alerts.hims.com 5 2026-04-25 2026-09-24 ok
news.hims.com 14 2026-04-07 2026-09-13 ok
testing.news.hims.com 5 2026-04-23 2026-09-22 ok
links.news.hims.com 5 2026-04-25 2026-09-24 ok
www.news.hims.com 10 2026-04-07 2026-09-14 ok
get.hims.com 2 2025-06-16 2026-05-17 ok
www.get.hims.com 2 2025-06-16 2026-05-17 ok
gateway-api-account.hims.com 6 2026-04-26 2026-08-22 ok
support.hims.com 4 2026-04-18 2026-08-16 ok
*.dev.hims.com 4 2026-04-12 2026-08-10 —
pr-benchmark.dev.hims.com 11 2026-05-28 2026-09-23 ok
www.hims.com 11 2026-04-12 2026-09-24 ok
privacy.hims.com 2 2025-07-03 2026-06-03 ok

Programmatic access, with DNS A records: API GET /v1/hosts/hims.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/hims.com.