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 · 316 ms

HostCertsFirst seenLast seenDNS
laundrysauce.com 18 2026-05-19 2026-09-27 ok
i.laundrysauce.com 4 2026-04-12 2026-08-16 ok
feedback.laundrysauce.com 4 2026-04-19 2026-08-17 ok
shop.laundrysauce.com 5 2026-05-15 2026-09-17 ok
enter.laundrysauce.com 4 2026-05-13 2026-06-06 nxdomain
returns.laundrysauce.com 4 2026-06-15 2026-08-13 ok
account.laundrysauce.com 7 2026-04-19 2026-08-29 ok
www.laundrysauce.com 13 2026-05-18 2026-09-28 ok

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