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.

10 hosts · 251 ms

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HostCertsFirst seenLast seen
shebash.io 35 2025-08-08 2026-10-13
*.shebash.io 14 2026-06-06 2026-10-10
eth.shebash.io 10 2026-05-17 2026-09-13
sso.shebash.io 8 2026-05-16 2026-09-11
docs.shebash.io 29 2026-04-18 2026-10-12
ipfs.shebash.io 8 2026-05-16 2026-09-11
mta-sts.shebash.io 26 2026-04-18 2026-10-13
speedtest.shebash.io 8 2026-05-17 2026-09-12
trust.shebash.io 10 2026-05-15 2026-09-11
www.shebash.io 5 2026-04-28 2026-08-30

Programmatic access: API GET /v1/hosts/shebash.io (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/shebash.io.