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.

48 hosts · 348 ms

HostCertsFirst seenLast seenDNS
shiftcontrol.io 143 2026-04-11 2026-09-19 ok
*.shiftcontrol.io 13 2026-05-17 2026-09-12 —
devtest1.shiftcontrol.io 10 2026-05-06 2026-09-02 ok
devtest2.shiftcontrol.io 6 2026-05-06 2026-09-01 ok
devtest3.shiftcontrol.io 8 2026-08-04 2026-10-02 ok
ffa7ad16.shiftcontrol.io 18 2026-05-14 2026-09-09 ok
*.ffa7ad16.shiftcontrol.io 8 2026-05-14 2026-09-09 —
gh48h4a.shiftcontrol.io 14 2026-05-20 2026-09-15 ok
*.gh48h4a.shiftcontrol.io 6 2026-05-20 2026-09-15 —
hub.shiftcontrol.io 7 2026-05-17 2026-08-14 ok
innercircle.shiftcontrol.io 8 2026-05-10 2026-09-05 nxdomain
lqbr8jye.shiftcontrol.io 22 2026-04-14 2026-09-10 ok
*.lqbr8jye.shiftcontrol.io 6 2026-05-14 2026-09-09 —
auth.staging.shiftcontrol.io 5 2026-05-30 2026-09-25 ok
api.staging.shiftcontrol.io 3 2025-06-13 2026-05-14 ok
storybook.staging.shiftcontrol.io 12 2026-06-15 2026-08-13 ok
*.storybook.staging.shiftcontrol.io 6 2026-06-15 2026-08-13 —
scim.staging.shiftcontrol.io 2 2025-06-13 2026-05-14 ok
demo.staging.shiftcontrol.io 14 2026-05-12 2026-09-08 ok
mcp.staging.shiftcontrol.io 18 2026-05-14 2026-09-09 ok
*.mcp.staging.shiftcontrol.io 8 2026-05-14 2026-09-09 —
app.staging.shiftcontrol.io 14 2026-04-22 2026-09-01 ok
hq.staging.shiftcontrol.io 21 2026-05-13 2026-09-21 ok
cards.staging.shiftcontrol.io 12 2026-07-22 2026-09-19 ok
*.cards.staging.shiftcontrol.io 6 2026-07-22 2026-09-19 —
scim.test.staging.shiftcontrol.io 2 2025-06-13 2026-05-14 ok
auth.shiftcontrol.io 5 2026-06-03 2026-09-30 ok
api.shiftcontrol.io 2 2025-06-13 2026-05-14 ok
proxy-fallback.shiftcontrol.io 7 2026-07-26 2026-09-23 ok
storybook.shiftcontrol.io 12 2026-06-15 2026-08-13 ok
*.storybook.shiftcontrol.io 6 2026-06-15 2026-08-13 —
scim.shiftcontrol.io 2 2025-06-13 2026-05-14 ok
private-npm.shiftcontrol.io 14 2026-05-06 2026-09-07 ok
devtest-devin.shiftcontrol.io 3 2026-09-20 2026-09-20 ok
demo.shiftcontrol.io 26 2026-05-06 2026-09-06 ok
roadmap.shiftcontrol.io 12 2026-05-06 2026-09-02 ok
mcp.shiftcontrol.io 18 2026-05-14 2026-09-09 ok
*.mcp.shiftcontrol.io 10 2026-05-14 2026-09-09 —
app.shiftcontrol.io 16 2026-04-19 2026-09-02 ok
hq.shiftcontrol.io 17 2026-05-06 2026-09-21 ok
docs.shiftcontrol.io 18 2026-05-06 2026-10-04 ok
cards.shiftcontrol.io 14 2026-07-22 2026-09-19 ok
*.cards.shiftcontrol.io 8 2026-07-22 2026-09-19 —
journey-assets.shiftcontrol.io 16 2026-05-06 2026-09-05 ok
trust.shiftcontrol.io 5 2026-05-24 2026-09-24 ok
www.shiftcontrol.io 12 2026-04-13 2026-09-01 ok
journey.shiftcontrol.io 16 2026-05-06 2026-09-07 ok
velocity.shiftcontrol.io 18 2026-04-15 2026-09-02 ok

Programmatic access, with DNS A records: API GET /v1/hosts/shiftcontrol.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/shiftcontrol.io.