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.

18 hosts · 268 ms

HostCertsFirst seenLast seenDNS
lmr.com 3 2025-07-08 2026-05-19 ok
ebws2021.lmr.com 1 2026-02-23 2026-02-23 ok
www.ebws2021.lmr.com 1 2026-02-23 2026-02-23 nxdomain
ebws2026.lmr.com 1 2026-01-12 2026-01-12 ok
www.ebws2026.lmr.com 1 2026-01-12 2026-01-12 nxdomain
mlctb.lmr.com 8 2026-05-18 2026-09-09 ok
masapi2021-prod.lmr.com 1 2026-02-23 2026-02-23 ok
di-sage2016-prod.lmr.com 2 2025-11-17 2026-01-20 ok
masapi2026-prod.lmr.com 1 2026-01-12 2026-01-12 ok
www.masapi2026-prod.lmr.com 1 2026-01-12 2026-01-12 nxdomain
dataimporter-prod.lmr.com 2 2025-11-17 2026-01-20 ok
masapi2021-stge.lmr.com 1 2026-02-23 2026-02-23 nxdomain
di-sage2016-stge.lmr.com 2 2025-11-17 2026-01-20 nxdomain
dataimporter-stge.lmr.com 2 2025-11-17 2026-01-20 ok
capig.lmr.com 2 2026-09-11 2026-09-11 ok
link.lmr.com 5 2026-05-10 2026-09-07 ok
dd-fpjs.lmr.com 1 2026-08-31 2026-08-31 ok
www.lmr.com 3 2025-07-08 2026-05-19 ok

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