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.

16 hosts · 270 ms

HostCertsFirst seenLast seenDNS
cuisinart.com 4 2025-09-11 2026-09-18 ok
stage.cuisinart.com 20 2026-05-12 2026-09-07 ok
i.cuisinart.com 3 2026-05-22 2026-09-06 ok
customerportal.cuisinart.com 1 2026-01-05 2026-01-05 ok
trk.mail.cuisinart.com 6 2026-05-19 2026-09-14 ok
ohejl.cuisinart.com 11 2026-05-25 2026-09-20 ok
shop.cuisinart.com 12 2026-04-16 2026-08-12 ok
register.cuisinart.com 1 2026-04-29 2026-04-29 ok
www.register.cuisinart.com 1 2026-04-29 2026-04-29 nxdomain
assets.cuisinart.com 4 2026-01-21 2026-09-10 ok
documents.cuisinart.com 1 2025-07-02 2025-07-02 ok
checkout.cuisinart.com 2 2025-09-11 2025-09-11 ok
menu.cuisinart.com 2 2025-09-03 2026-08-04 ok
dev.cuisinart.com 16 2026-05-13 2026-09-08 ok
preview.cuisinart.com 14 2026-04-21 2026-08-17 ok
www.cuisinart.com 4 2025-09-11 2026-09-18 ok

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