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.

9 hosts · 249 ms

HostCertsFirst seenLast seenDNS
amputeestore.com 13 2026-05-16 2026-09-27 ok
feedback.amputeestore.com 8 2026-04-10 2026-08-08 ok
teleprosthetics.amputeestore.com 8 2026-04-14 2026-08-12 ok
forms.amputeestore.com 12 2026-05-06 2026-09-04 ok
connect.amputeestore.com 14 2026-04-23 2026-08-26 ok
account.amputeestore.com 13 2026-04-16 2026-08-25 ok
support.amputeestore.com 9 2026-06-01 2026-09-27 ok
www.amputeestore.com 15 2026-05-15 2026-09-25 ok
jjqrz.amputeestore.com 10 2026-04-25 2026-08-21 ok

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