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.

8 hosts · 298 ms

HostCertsFirst seenLast seenDNS
djaproducts.com 6 2026-05-07 2026-09-23 ok
link.djaproducts.com 4 2026-04-16 2026-08-14 ok
disposal.djaproducts.com 1 2026-09-25 2026-09-25 ok
portal.djaproducts.com 1 2026-08-11 2026-08-11 ok
en.djaproducts.com 3 2026-06-12 2026-08-20 ok
microsoft.djaproducts.com 2 2026-06-12 2026-06-12 nxdomain
www.microsoft.djaproducts.com 2 2026-06-12 2026-06-12 nxdomain
www.djaproducts.com 6 2026-05-07 2026-09-23 ok

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