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.

17 hosts · 356 ms

HostCertsFirst seenLast seenDNS
flycraft.com 13 2026-05-13 2026-09-30 ok
*.flycraft.com 10 2026-05-15 2026-09-30 —
qc.flycraft.com 5 2026-05-22 2026-09-19 ok
waterbottle.flycraft.com 5 2026-05-07 2026-09-04 ok
ioe.flycraft.com 2 2026-08-17 2026-08-17 ok
cc-pairing.flycraft.com 1 2026-09-11 2026-09-11 ok
opsdash.flycraft.com 1 2026-09-09 2026-09-09 ok
ai.flycraft.com 5 2026-05-14 2026-09-11 ok
portal.flycraft.com 4 2026-04-18 2026-08-16 ok
vercel.flycraft.com 5 2026-05-09 2026-09-12 ok
enroll.flycraft.com 5 2026-05-06 2026-09-07 ok
help.flycraft.com 10 2026-04-26 2026-08-22 ok
app.flycraft.com 2 2026-05-02 2026-05-02 nxdomain
calculator.flycraft.com 5 2026-05-06 2026-09-08 ok
support.flycraft.com 5 2026-04-29 2026-08-27 ok
www.flycraft.com 10 2026-05-13 2026-09-07 ok
my.flycraft.com 10 2026-05-22 2026-09-21 ok

Programmatic access, with DNS A records: API GET /v1/hosts/flycraft.com (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/flycraft.com.