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.

15 hosts · 253 ms

HostCertsFirst seenLast seen
onemusic.com.au 15 2025-12-13 2026-09-03
*.onemusic.com.au 4 2025-09-25 2026-08-25
maintenance.onemusic.com.au 9 2026-06-01 2026-09-28
stage.onemusic.com.au 12 2026-05-21 2026-09-17
assets-stage.onemusic.com.au 13 2026-05-20 2026-09-16
*.stg.onemusic.com.au 4 2025-07-29 2026-06-30
email.uat-email.onemusic.com.au 4 2026-05-07 2026-07-06
email.dev-email.onemusic.com.au 4 2026-04-22 2026-06-21
email.email.onemusic.com.au 5 2026-04-22 2026-08-20
lp.onemusic.com.au 11 2026-04-18 2026-08-14
assets.onemusic.com.au 8 2026-05-20 2026-09-16
*.uat.onemusic.com.au 4 2025-07-28 2026-06-29
*.sit.onemusic.com.au 4 2025-07-26 2026-06-27
*.dev.onemusic.com.au 4 2025-07-13 2026-06-14
www.onemusic.com.au 12 2026-05-08 2026-09-03

Programmatic access: API GET /v1/hosts/onemusic.com.au (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/onemusic.com.au.