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 · 318 ms

HostCertsFirst seenLast seenDNS
growingspaces.com 27 2026-05-05 2026-09-17 ok
*.growingspaces.com 13 2026-05-05 2026-09-16 —
tend.growingspaces.com 10 2026-05-18 2026-09-13 ok
vine.growingspaces.com 14 2026-05-18 2026-09-13 ok
bi.growingspaces.com 2 2026-09-15 2026-09-15 ok
*.bi.growingspaces.com 2 2026-09-15 2026-09-15 —
help.growingspaces.com 10 2026-05-18 2026-09-13 ok
oldwp.growingspaces.com 5 2026-05-25 2026-09-25 ok
quotes.growingspaces.com 20 2026-05-11 2026-09-07 ok
orders.growingspaces.com 5 2026-04-09 2026-10-06 ok
mta-sts.growingspaces.com 11 2026-05-22 2026-09-17 ok
news.growingspaces.com 7 2026-05-31 2026-09-26 ok
checkout.growingspaces.com 6 2026-05-23 2026-09-20 ok
www.growingspaces.com 9 2026-05-22 2026-09-17 ok

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