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 · 401 ms

HostCertsFirst seenLast seenDNS
cargurus.co.uk 6 2025-06-22 2026-08-19 ok
*.cargurus.co.uk 5 2025-07-08 2026-08-19 —
ata.cargurus.co.uk 3 2025-11-02 2026-10-02 ok
dd.cargurus.co.uk 4 2026-05-12 2026-07-28 ok
*.api.cargurus.co.uk 3 2025-08-13 2026-07-14 —
link.cargurus.co.uk 1 2025-11-21 2025-11-21 ok
spm.cargurus.co.uk 4 2025-11-17 2026-09-22 ok
gtm.cargurus.co.uk 1 2026-01-23 2026-01-23 ok
spgo.cargurus.co.uk 1 2026-01-05 2026-01-05 ok
sp.cargurus.co.uk 2 2025-07-24 2026-06-24 nxdomain
aws-test-sp.cargurus.co.uk 1 2025-10-14 2025-10-14 nxdomain
dealers.cargurus.co.uk 5 2026-06-15 2026-06-15 ok
partnercontent.cargurus.co.uk 3 2025-06-22 2026-05-23 ok
link.dev.cargurus.co.uk 3 2025-09-14 2026-08-15 ok
www.cargurus.co.uk 5 2025-06-22 2026-07-14 ok
aws-test-www.cargurus.co.uk 1 2026-05-03 2026-05-03 nxdomain

Programmatic access, with DNS A records: API GET /v1/hosts/cargurus.co.uk (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/cargurus.co.uk.