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 · 383 ms

HostCertsFirst seenLast seenDNS
music.ai 26 2026-04-16 2026-10-04 ok
*.music.ai 24 2026-04-16 2026-10-04 —
musiclab.music.ai 4 2026-04-17 2026-08-18 ok
api-musiclab.music.ai 3 2026-05-11 2026-08-25 ok
embedded.music.ai 4 2026-05-22 2026-09-17 ok
api-embedded.music.ai 3 2026-08-13 2026-10-06 ok
api.embedded.music.ai 1 2026-08-13 2026-08-13 ok
lyricfind.music.ai 5 2026-05-02 2026-09-02 ok
website-prod.music.ai 1 2026-08-10 2026-08-10 ok
dashboard.music.ai 5 2026-04-23 2026-08-26 ok
stage.music.ai 5 2026-04-20 2026-08-25 ok
musiclab-stage.music.ai 4 2026-04-16 2026-08-19 ok
api-musiclab-stage.music.ai 3 2026-05-12 2026-08-27 ok
dashboard-stage.music.ai 5 2026-04-23 2026-08-26 ok
website-stage.music.ai 1 2026-08-10 2026-08-10 ok
api-stage.music.ai 8 2026-04-29 2026-08-15 ok
mysignature.music.ai 6 2026-05-29 2026-10-01 ok
cms-marketing.music.ai 5 2026-05-29 2026-09-15 ok
ui.music.ai 5 2026-04-22 2026-08-22 ok
stream.music.ai 10 2026-05-10 2026-09-06 ok
www-preview.music.ai 4 2026-05-16 2026-07-16 ok
www.music.ai 4 2026-04-20 2026-08-22 ok

Programmatic access, with DNS A records: API GET /v1/hosts/music.ai (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/music.ai.