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.

12 hosts · 254 ms

HostCertsFirst seenLast seen
odd.bot 14 2026-05-03 2026-09-12
*.odd.bot 9 2026-05-17 2026-09-12
mobile.api.odd.bot 5 2026-05-27 2026-09-24
staging.api.odd.bot 5 2026-05-26 2026-09-22
test.api.odd.bot 5 2026-05-27 2026-09-25
preso.odd.bot 5 2026-05-04 2026-09-03
test.robot.odd.bot 6 2026-06-02 2026-09-30
en.support.odd.bot 1 2026-06-18 2026-06-18
fleetview.odd.bot 1 2026-06-18 2026-06-18
www.odd.bot 5 2026-05-03 2026-09-02
sly.odd.bot 4 2026-06-06 2026-10-04
my.odd.bot 3 2026-06-29 2026-08-31

Programmatic access: API GET /v1/hosts/odd.bot (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/odd.bot.