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.

50 hosts · 338 ms

HostCertsFirst seenLast seenDNS
rabot.energy 21 2026-05-08 2026-09-21 ok
*.rabot.energy 16 2026-05-08 2026-09-04 —
b2b.rabot.energy 5 2026-04-30 2026-08-28 ok
libelldra-b2b.rabot.energy 3 2026-06-30 2026-08-29 ok
menki-b2b.rabot.energy 3 2026-06-29 2026-08-28 ok
heimdall-b2b.rabot.energy 2 2026-08-07 2026-10-06 ok
test-b2b.rabot.energy 5 2026-04-22 2026-08-20 ok
playground.rabot.energy 4 2026-06-06 2026-10-04 ok
libelldra-b2b-portal.rabot.energy 3 2026-07-03 2026-09-01 nodata
menki-b2b-portal.rabot.energy 3 2026-07-03 2026-09-01 nodata
heimdall-b2b-portal.rabot.energy 2 2026-08-07 2026-10-06 ok
kundenportal.rabot.energy 5 2026-05-26 2026-09-23 ok
e2e-kundenportal.rabot.energy 4 2026-06-08 2026-10-06 ok
doce-kundenportal.rabot.energy 4 2026-06-06 2026-10-04 ok
inosuke-kundenportal.rabot.energy 4 2026-06-06 2026-10-04 ok
staging-kundenportal.rabot.energy 5 2026-04-26 2026-08-24 ok
menki-kundenportal.rabot.energy 5 2026-05-05 2026-09-02 ok
whitelabel-kundenportal.rabot.energy 5 2026-05-04 2026-09-01 ok
heimdall-kundenportal.rabot.energy 5 2026-04-29 2026-08-27 ok
tanjiro-kundenportal.rabot.energy 4 2026-06-06 2026-10-04 ok
gengar-kundenportal.rabot.energy 5 2026-04-29 2026-08-27 ok
star-kundenportal.rabot.energy 5 2026-04-29 2026-08-27 ok
charmander-kundenportal.rabot.energy 5 2026-05-05 2026-09-02 ok
wordpress-kundenportal.rabot.energy 6 2026-05-04 2026-09-01 ok
test-kundenportal.rabot.energy 5 2026-04-29 2026-08-27 ok
zenitsu-kundenportal.rabot.energy 4 2026-06-06 2026-10-04 ok
shiggy-kundenportal.rabot.energy 5 2026-04-29 2026-08-27 ok
funnel.rabot.energy 5 2026-05-26 2026-09-23 ok
e2e-funnel.rabot.energy 4 2026-04-12 2026-08-10 ok
doce-funnel.rabot.energy 4 2026-06-06 2026-10-04 ok
inosuke-funnel.rabot.energy 4 2026-06-06 2026-10-04 ok
staging-funnel.rabot.energy 5 2026-04-26 2026-08-24 ok
whitelabel-funnel.rabot.energy 5 2026-06-02 2026-09-30 ok
heimdall-funnel.rabot.energy 5 2026-04-29 2026-08-27 ok
tanjiro-funnel.rabot.energy 4 2026-06-06 2026-10-04 ok
gengar-funnel.rabot.energy 5 2026-04-29 2026-08-27 ok
star-funnel.rabot.energy 5 2026-04-29 2026-08-27 ok
wordpress-funnel.rabot.energy 5 2026-05-23 2026-09-20 ok
test-funnel.rabot.energy 5 2026-04-29 2026-08-27 ok
zenitsu-funnel.rabot.energy 4 2026-06-06 2026-10-04 ok
shiggy-funnel.rabot.energy 5 2026-04-29 2026-08-27 ok
api-docs.rabot.energy 5 2026-05-04 2026-09-06 ok
dbt-docs.rabot.energy 4 2026-05-07 2026-07-06 nxdomain
widgets.rabot.energy 1 2026-06-09 2026-06-09 ok
measurement.rabot.energy 5 2026-05-26 2026-09-22 ok
preview-measurement.rabot.energy 5 2026-05-29 2026-09-26 ok
test.rabot.energy 10 2026-05-25 2026-09-23 ok
neu.rabot.energy 5 2026-05-05 2026-09-02 ok
www.rabot.energy 5 2026-05-24 2026-09-21 ok
community.rabot.energy 10 2026-04-23 2026-08-19 ok

Programmatic access, with DNS A records: API GET /v1/hosts/rabot.energy (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/rabot.energy.