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.

29 hosts · 333 ms

HostCertsFirst seenLast seenDNS
regmovies.com 18 2026-05-16 2026-09-11 ok
*.regmovies.com 18 2026-05-16 2026-09-11 —
vpn1.regmovies.com 1 2026-04-13 2026-04-13 ok
vpn2.regmovies.com 1 2026-04-13 2026-04-13 ok
*.crownclub.regmovies.com 3 2025-08-10 2026-07-09 —
www.crownclub.regmovies.com 5 2026-05-11 2026-09-08 ok
maintenance.regmovies.com 10 2026-04-20 2026-08-16 ok
store.regmovies.com 6 2026-06-01 2026-08-18 ok
account.store.regmovies.com 1 2026-09-28 2026-09-28 ok
leave.regmovies.com 1 2026-04-10 2026-04-10 ok
gifting.regmovies.com 4 2026-05-31 2026-08-18 ok
api.regmovies.com 1 2025-11-17 2025-11-17 ok
www.api.regmovies.com 1 2025-11-17 2025-11-17 nxdomain
regpam.regmovies.com 7 2025-07-07 2026-08-04 ok
www.regpam.regmovies.com 7 2025-07-07 2026-08-04 nxdomain
cdn.regmovies.com 3 2026-05-14 2026-09-27 ok
vpn.regmovies.com 1 2026-04-13 2026-04-13 ok
help.regmovies.com 12 2026-05-05 2026-08-31 ok
rewards.regmovies.com 6 2026-05-31 2026-08-18 ok
ftps.regmovies.com 4 2025-09-13 2026-08-03 ok
www.ftps.regmovies.com 4 2025-09-13 2026-08-03 nxdomain
comment.regmovies.com 2 2025-07-04 2026-06-04 ok
web.sandbox.regmovies.com 16 2026-06-07 2026-10-03 ok
cms-api-web.sandbox.regmovies.com 14 2026-05-07 2026-09-02 ok
digital-api.sandbox.regmovies.com 10 2026-04-13 2026-08-10 ok
hybrid-gateway.regmovies.com 1 2026-07-07 2026-07-07 ok
poc-hybrid-gateway.regmovies.com 2 2026-06-24 2026-06-25 ok
stghybrid-gateway.regmovies.com 2 2026-06-18 2026-06-25 ok
devhybrid-gateway.regmovies.com 3 2026-06-16 2026-06-25 ok

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