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 · 265 ms

HostCertsFirst seenLast seenDNS
briscoes.co.nz 5 2026-04-30 2026-08-28 ok
login.ade1.briscoes.co.nz 2 2026-03-12 2026-07-28 ok
mcstaging2.briscoes.co.nz 1 2026-09-03 2026-09-03 ok
mcprod.briscoes.co.nz 5 2026-04-30 2026-08-28 ok
preference.briscoes.co.nz 5 2026-05-01 2026-08-23 ok
image.briscoes.co.nz 4 2026-04-14 2026-08-12 ok
mcstaging.briscoes.co.nz 7 2026-06-17 2026-10-05 ok
webapi.briscoes.co.nz 1 2025-12-09 2025-12-09 nxdomain
www.webapi.briscoes.co.nz 1 2025-12-09 2025-12-09 nxdomain
link.briscoes.co.nz 4 2026-04-17 2026-08-24 ok
login.prep.briscoes.co.nz 2 2026-03-11 2026-07-27 ok
help.briscoes.co.nz 5 2026-04-21 2026-08-19 ok
login.int.briscoes.co.nz 2 2026-03-01 2026-07-17 ok
izysjitu.briscoes.co.nz 3 2026-05-22 2026-08-05 ok
www.briscoes.co.nz 5 2026-04-30 2026-08-28 ok
login.www.briscoes.co.nz 2 2025-06-21 2026-05-22 ok

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