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.

12 hosts · 218 ms

HostCertsFirst seenLast seen
waterfieldadvisors.com 8 2026-05-15 2026-09-10
*.waterfieldadvisors.com 12 2025-10-06 2026-09-29
mosaic.waterfieldadvisors.com 2 2026-08-10 2026-08-10
smartconsole-service.waterfieldadvisors.com 5 2026-05-20 2026-09-17
smartconsole.waterfieldadvisors.com 6 2026-05-19 2026-09-16
guardian.waterfieldadvisors.com 1 2025-09-10 2025-09-10
pms.waterfieldadvisors.com 1 2025-08-29 2025-08-29
www.pms.waterfieldadvisors.com 1 2025-08-29 2025-08-29
ws.waterfieldadvisors.com 5 2026-05-31 2026-09-28
guardian-uat.waterfieldadvisors.com 1 2025-12-12 2025-12-12
www.guardian-uat.waterfieldadvisors.com 1 2025-12-12 2025-12-12
invest.waterfieldadvisors.com 7 2026-05-31 2026-09-30

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