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.

34 hosts · 318 ms

HostCertsFirst seenLast seenDNS
smartland.com 15 2025-11-20 2026-10-02 ok
*.smartland.com 1 2025-11-20 2025-11-20 —
lisa2.smartland.com 5 2026-04-22 2026-08-20 ok
dev2.smartland.com 5 2026-05-11 2026-09-08 ok
dev3.smartland.com 5 2026-05-14 2026-09-11 ok
media.smartland.com 2 2025-07-24 2026-06-23 ok
alexa.smartland.com 5 2026-05-09 2026-09-07 ok
equityfund.smartland.com 2 2025-06-17 2026-05-16 ok
jackf.smartland.com 4 2026-04-18 2026-08-16 ok
victorf.smartland.com 4 2026-04-17 2026-08-15 ok
mattf.smartland.com 4 2026-04-20 2026-08-18 ok
oauth.smartland.com 4 2026-04-20 2026-08-18 ok
nickk.smartland.com 5 2026-05-16 2026-09-11 ok
portal.smartland.com 4 2026-04-15 2026-08-15 ok
webinaril.smartland.com 1 2026-09-23 2026-09-23 ok
admin.smartland.com 3 2026-03-08 2026-08-23 nxdomain
austinn.smartland.com 4 2026-04-16 2026-08-13 ok
vladimirn.smartland.com 4 2026-04-17 2026-08-14 ok
info.smartland.com 10 2026-04-18 2026-08-19 ok
docs-mcp.smartland.com 1 2026-09-01 2026-09-01 ok
danp.smartland.com 4 2026-04-19 2026-08-17 ok
yuris.smartland.com 4 2026-04-20 2026-08-18 ok
offers.smartland.com 6 2026-05-02 2026-08-29 ok
assess.smartland.com 5 2026-05-28 2026-09-25 ok
redirect.smartland.com 4 2026-06-04 2026-10-03 ok
adbot.smartland.com 4 2026-04-10 2026-08-09 ok
test.smartland.com 4 2026-04-19 2026-08-16 ok
invest.smartland.com 2 2026-02-22 2026-07-10 ok
equitytrust.smartland.com 2 2025-06-25 2026-05-26 ok
dev.smartland.com 10 2026-05-10 2026-09-09 ok
www.smartland.com 14 2026-04-11 2026-10-02 ok
cortex.smartland.com 5 2026-05-28 2026-09-25 ok
relay.smartland.com 6 2026-04-13 2026-10-03 ok
apply.smartland.com 5 2026-05-24 2026-09-22 ok

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