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.

60 hosts · 468 ms

HostCertsFirst seenLast seenDNS
kasa.com 5 2026-05-31 2026-09-28 ok
*.kasa.com 6 2025-07-24 2026-08-23 —
brand.kasa.com 3 2026-07-20 2026-09-18 ok
e.kasa.com 2 2026-09-15 2026-09-15 ok
welcome.kasa.com 14 2026-04-15 2026-08-11 ok
pulse.kasa.com 3 2026-08-01 2026-09-23 ok
minthouse.kasa.com 18 2026-06-03 2026-09-30 ok
blog.kasa.com 3 2026-05-31 2026-10-02 ok
www.blog.kasa.com 3 2026-05-31 2026-10-02 ok
org.kasa.com 6 2026-07-19 2026-09-16 ok
website-storybook.kasa.com 5 2026-05-08 2026-09-10 ok
help.desk.kasa.com 1 2026-01-13 2026-01-13 ok
helpdesk.kasa.com 1 2026-01-14 2026-01-14 ok
frontdesk.kasa.com 5 2026-04-30 2026-08-28 ok
kiosk.kasa.com 5 2026-05-28 2026-09-25 ok
kontrol.kasa.com 5 2026-05-07 2026-09-04 ok
form.kasa.com 5 2026-04-27 2026-08-25 ok
login.kasa.com 10 2026-05-01 2026-08-28 ok
content-studio.kasa.com 5 2026-05-08 2026-09-10 ok
help.kasa.com 1 2026-01-25 2026-01-25 ok
morgangroup.kasa.com 2 2026-04-22 2026-04-22 ok
avenuer.kasa.com 3 2026-04-15 2026-07-01 ok
s.kasa.com 4 2026-04-10 2026-08-26 ok
kustomer-cards.kasa.com 5 2026-06-01 2026-09-29 ok
bookings.kasa.com 2 2026-05-22 2026-05-22 ok
pms.kasa.com 5 2026-04-26 2026-08-24 ok
link.reservations.kasa.com 2 2025-08-06 2026-07-06 ok
link.members.kasa.com 2 2025-08-06 2026-07-06 ok
partners.kasa.com 1 2026-09-07 2026-09-07 ok
www.owners.kasa.com 5 2026-05-22 2026-09-19 ok
css.kasa.com 3 2026-06-12 2026-08-11 ok
sageresidents.kasa.com 3 2026-04-15 2026-07-01 ok
weslayanresidents.kasa.com 1 2026-04-15 2026-04-15 ok
guest.kasa.com 3 2026-06-12 2026-08-11 ok
dev.kasa.com 5 2026-05-06 2026-09-03 ok
github-workflow-netlify-example-dev.kasa.com 5 2026-05-20 2026-09-17 ok
*.github-workflow-netlify-example-dev.kasa.com 5 2026-05-20 2026-09-17 —
frontdesk-dev.kasa.com 5 2026-04-30 2026-08-28 ok
*.frontdesk-dev.kasa.com 5 2026-04-30 2026-08-28 —
kiosk-dev.kasa.com 5 2026-05-28 2026-09-25 ok
*.kiosk-dev.kasa.com 5 2026-05-28 2026-09-25 —
kontrol-dev.kasa.com 4 2026-04-15 2026-08-13 ok
content-studio-dev.kasa.com 4 2026-05-08 2026-09-09 ok
pms-dev.kasa.com 5 2026-05-01 2026-08-29 ok
storybook-pms-dev.kasa.com 5 2026-05-07 2026-09-04 ok
*.pms-dev.kasa.com 5 2026-05-01 2026-08-29 —
css-dev.kasa.com 3 2026-06-12 2026-08-11 ok
guest-dev.kasa.com 5 2026-05-06 2026-09-03 ok
*.guest-dev.kasa.com 5 2026-05-06 2026-09-03 —
devex-dev.kasa.com 2 2026-10-02 2026-10-02 ok
stay-dev.kasa.com 5 2026-05-08 2026-09-08 ok
*.dev.kasa.com 5 2026-05-06 2026-09-03 —
vercel-preview.kasa.com 5 2026-05-08 2026-09-10 ok
*.vercel-preview.kasa.com 10 2026-05-08 2026-09-12 —
document-generator-preview.kasa.com 5 2026-05-19 2026-09-19 ok
www.kasa.com 5 2026-05-31 2026-09-28 ok
devex.kasa.com 2 2026-10-01 2026-10-01 ok
guest-gx.kasa.com 4 2026-04-20 2026-08-17 ok
pay.kasa.com 10 2026-05-24 2026-09-20 ok
stay.kasa.com 5 2026-05-08 2026-09-11 ok

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