Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

17 hosts · 226 ms

HostCertsFirst seenLast seen
winamax.pt 10 2026-05-06 2026-10-06
*.winamax.pt 5 2026-05-06 2026-10-06
prelive.winamax.pt 12 2026-05-06 2026-10-06
*.prelive.winamax.pt 5 2026-05-06 2026-10-06
auth-api-eu-west-3.prelive.winamax.pt 7 2026-06-24 2026-09-28
ad.prelive.winamax.pt 7 2026-06-24 2026-09-28
api.prelive.winamax.pt 7 2026-06-24 2026-09-28
auth-api.prelive.winamax.pt 7 2026-06-24 2026-09-28
wapi.prelive.winamax.pt 7 2026-06-24 2026-09-28
gw.prelive.winamax.pt 7 2026-06-24 2026-09-28
www.prelive.winamax.pt 7 2026-06-24 2026-09-28
api.winamax.pt 5 2026-06-30 2026-09-28
wapi.winamax.pt 5 2026-06-30 2026-09-28
dev.winamax.pt 4 2026-05-06 2026-10-06
*.dev.winamax.pt 4 2026-05-06 2026-10-06
gw.winamax.pt 5 2026-06-30 2026-09-28
www.winamax.pt 5 2026-06-30 2026-09-28

Programmatic access: API GET /v1/hosts/winamax.pt (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/winamax.pt.