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.

16 hosts · 205 ms

HostCertsFirst seenLast seen
wetransfer.com 4 2026-03-08 2026-07-24
*.wetransfer.com 4 2026-03-08 2026-07-24
helpbeta.wetransfer.com 3 2026-04-13 2026-06-12
youmake.wetransfer.com 2 2025-10-30 2026-09-29
url892.youmake.wetransfer.com 2 2025-10-30 2026-09-29
url6202.mail.wetransfer.com 1 2026-02-11 2026-02-11
trail.wetransfer.com 5 2026-05-08 2026-09-05
moderation.wetransfer.com 5 2026-05-10 2026-09-07
go.wetransfer.com 4 2025-09-02 2026-08-03
help.wetransfer.com 4 2026-05-16 2026-07-15
www.ads-partners.wetransfer.com 22 2026-04-26 2026-09-19
status.wetransfer.com 5 2026-05-18 2026-09-14
url.news.wetransfer.com 1 2026-02-09 2026-02-09
trust.wetransfer.com 14 2026-04-12 2026-10-06
snowplow.wetransfer.com 1 2025-11-18 2025-11-18
privacy.wetransfer.com 2 2026-03-02 2026-07-18

Programmatic access: API GET /v1/hosts/wetransfer.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/wetransfer.com.