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.

27 hosts · 200 ms

HostCertsFirst seenLast seen
wave.co 4 2026-04-21 2026-08-23
old.wave.co 5 2026-05-18 2026-09-20
pod.wave.co 5 2026-05-19 2026-09-22
testpod.wave.co 6 2026-06-10 2026-10-08
tube.wave.co 5 2026-05-31 2026-10-03
teststorage.wave.co 7 2026-05-22 2026-09-20
share.wave.co 5 2026-05-01 2026-09-03
testfirestore.wave.co 9 2026-05-22 2026-09-20
invite.wave.co 5 2026-04-22 2026-08-25
api.wave.co 5 2026-05-27 2026-09-28
feedback.wave.co 5 2026-06-22 2026-09-27
internal.wave.co 2 2026-08-07 2026-10-08
go.wave.co 5 2026-04-26 2026-08-27
mcp.wave.co 5 2026-05-30 2026-10-01
help.wave.co 6 2026-04-19 2026-08-13
app.wave.co 4 2026-04-16 2026-08-17
ads.wave.co 5 2026-05-24 2026-09-25
links.wave.co 9 2026-04-30 2026-09-06
teams.wave.co 5 2026-06-04 2026-10-05
testfunctions.wave.co 7 2026-05-22 2026-09-20
eats.wave.co 4 2026-05-07 2026-07-07
ws.wave.co 4 2026-06-06 2026-10-04
get.wave.co 5 2026-05-13 2026-09-10
test.wave.co 5 2026-05-22 2026-09-20
www.wave.co 4 2026-04-20 2026-08-21
pay.wave.co 3 2026-07-29 2026-09-30
buy.wave.co 3 2026-06-12 2026-08-13

Programmatic access: API GET /v1/hosts/wave.co (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/wave.co.