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.

14 hosts · 231 ms

HostCertsFirst seenLast seenDNS
botpress.com 18 2026-04-26 2026-08-22 ok
*.botpress.com 16 2026-04-26 2026-08-22 —
v12.botpress.com 3 2026-06-04 2026-08-06 ok
handstand.botpress.com 5 2026-05-18 2026-09-19 ok
inbound.botpress.com 5 2026-05-01 2026-09-05 ok
discord.botpress.com 5 2026-04-27 2026-08-31 ok
learn.botpress.com 5 2026-05-10 2026-09-11 ok
info.botpress.com 12 2026-04-18 2026-08-15 ok
shop.botpress.com 20 2026-04-22 2026-10-03 ok
cn-sales.botpress.com 5 2026-05-12 2026-09-09 ok
status.botpress.com 5 2026-04-11 2026-09-01 ok
support.botpress.com 11 2026-05-25 2026-09-20 ok
trust.botpress.com 2 2026-10-06 2026-10-06 ok
try.botpress.com 14 2026-06-02 2026-09-28 ok

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