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.

5 hosts · 180 ms

HostCertsFirst seenLast seen
marketing.svenskapostkodlotteriet.se 3 2026-06-17 2026-08-26
app.marketing.svenskapostkodlotteriet.se 3 2026-06-17 2026-08-26
images.marketing.svenskapostkodlotteriet.se 6 2026-06-17 2026-08-26
lp.svenskapostkodlotteriet.se 3 2026-06-17 2026-08-26
mta-sts.svenskapostkodlotteriet.se 5 2026-04-22 2026-08-18

Programmatic access: API GET /v1/hosts/svenskapostkodlotteriet.se (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/svenskapostkodlotteriet.se.