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.

22 hosts · 253 ms

HostCertsFirst seenLast seenDNS
nameshield.net 3 2025-10-07 2025-12-31 ok
*.nameshield.net 2 2025-10-07 2025-11-16 —
dna.nameshield.net 1 2026-06-15 2026-06-15 ok
*.home.nameshield.net 2 2025-06-30 2026-06-30 —
secure.nameshield.net 3 2025-08-17 2026-08-17 ok
*.secure.nameshield.net 2 2025-08-02 2026-08-02 —
*.home-ote.nameshield.net 2 2025-06-30 2026-06-30 —
*.ote.nameshield.net 1 2026-02-08 2026-02-08 —
*.legal.nameshield.net 2 2025-08-02 2026-08-02 —
*.ssl.nameshield.net 2 2025-08-02 2026-08-02 —
team.nameshield.net 1 2025-12-12 2025-12-12 ok
*.tm.nameshield.net 1 2025-10-06 2025-10-06 —
namescan.nameshield.net 1 2026-04-28 2026-04-28 ok
*.namescan.nameshield.net 1 2026-04-28 2026-04-28 —
secure.saint-gobain.nameshield.net 3 2026-03-07 2026-08-18 ok
crt-geo.nameshield.net 1 2025-10-14 2025-10-14 ok
*.ote-idp.nameshield.net 1 2026-02-01 2026-02-01 —
*.idp.nameshield.net 2 2025-08-02 2026-08-02 —
docs.nameshield.net 1 2026-06-01 2026-06-01 ok
*.docs.nameshield.net 1 2026-06-01 2026-06-01 —
www.nameshield.net 1 2025-12-31 2025-12-31 ok
cz.nameshield.net 2 2025-10-21 2025-11-12 ok

Programmatic access, with DNS A records: API GET /v1/hosts/nameshield.net (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/nameshield.net.