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.

16 hosts · 282 ms

HostCertsFirst seenLast seenDNS
wedoskin.ca 22 2026-06-07 2026-10-05 ok
*.wedoskin.ca 6 2026-09-22 2026-10-01 —
gmb.wedoskin.ca 3 2025-09-22 2026-08-03 ok
clinic.wedoskin.ca 8 2026-06-06 2026-08-21 ok
*.clinic.wedoskin.ca 6 2026-06-23 2026-08-21 —
www.clinic.wedoskin.ca 4 2026-06-06 2026-06-06 ok
send.wedoskin.ca 9 2026-05-20 2026-09-15 ok
shipheros-staff.wedoskin.ca 3 2026-06-25 2026-08-24 ok
track.wedoskin.ca 10 2026-05-05 2026-09-22 ok
*.track.wedoskin.ca 2 2026-09-22 2026-09-22 —
tiktok.wedoskin.ca 3 2025-09-22 2026-08-03 ok
trk13.email.wedoskin.ca 12 2026-06-05 2026-10-02 ok
instagram.wedoskin.ca 3 2025-09-22 2026-08-03 ok
app.wedoskin.ca 4 2026-04-21 2026-08-20 ok
account.wedoskin.ca 15 2026-05-03 2026-09-11 ok
www.wedoskin.ca 13 2026-04-13 2026-09-25 ok

Programmatic access, with DNS A records: API GET /v1/hosts/wedoskin.ca (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/wedoskin.ca.