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.

30 hosts · 295 ms

HostCertsFirst seenLast seenDNS
lev.com 5 2026-05-22 2026-09-26 ok
*.lev.com 11 2025-06-19 2026-07-20 —
*.qa.lev.com 2 2025-06-19 2026-05-20 —
shared.lev.com 9 2026-05-22 2026-09-18 ok
*.command.lev.com 2 2026-02-24 2026-07-27 —
game.lev.com 6 2026-05-23 2026-08-07 ok
staging.lev.com 2 2026-06-13 2026-06-13 nxdomain
*.staging.lev.com 3 2025-06-19 2026-07-20 —
auth.staging.lev.com 10 2026-05-08 2026-09-04 ok
levos.staging.lev.com 6 2026-05-31 2026-10-01 ok
ph.lev.com 9 2026-06-03 2026-09-29 ok
auth.lev.com 10 2026-05-08 2026-09-04 ok
email.lev.com 3 2026-06-04 2026-09-19 ok
retool.lev.com 5 2026-04-26 2026-08-09 ok
*.demo.lev.com 2 2025-06-19 2026-05-20 —
help.lev.com 8 2026-04-25 2026-08-21 ok
shop.lev.com 8 2026-05-22 2026-09-17 ok
docs.lev.com 6 2026-04-13 2026-08-10 ok
links.lev.com 3 2026-04-27 2026-09-27 ok
auth.tools.lev.com 11 2026-05-20 2026-09-15 ok
levos.lev.com 5 2026-05-11 2026-09-10 ok
ats.lev.com 4 2026-04-21 2026-08-23 ok
caatest.lev.com 1 2026-07-20 2026-07-20 nxdomain
dev.lev.com 1 2026-07-20 2026-07-20 nxdomain
*.dev.lev.com 5 2025-06-19 2026-08-23 —
preview.lev.com 5 2026-04-27 2026-08-29 ok
www.lev.com 5 2026-05-30 2026-10-02 ok
cortex.lev.com 5 2026-05-01 2026-09-02 ok
apply.lev.com 6 2026-06-18 2026-09-02 ok
airy.lev.com 4 2026-04-15 2026-08-16 ok

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