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.

92 hosts · 221 ms

HostCertsFirst seenLast seen
commsec.com.au 7 2025-08-28 2026-08-21
test01.commsec.com.au 6 2025-06-26 2026-10-05
www2.test01.commsec.com.au 7 2025-10-27 2026-09-29
app3.test01.commsec.com.au 5 2025-10-27 2026-09-29
www3.test01.commsec.com.au 7 2025-10-27 2026-09-29
app4.test01.commsec.com.au 2 2026-03-26 2026-03-26
www4.test01.commsec.com.au 2 2026-03-26 2026-03-26
static.test01.commsec.com.au 8 2025-07-15 2026-10-05
www2.external-controlled.test01.commsec.com.au 3 2025-10-27 2026-09-29
app3.external-controlled.test01.commsec.com.au 3 2025-10-27 2026-09-29
www3.external-controlled.test01.commsec.com.au 3 2025-10-27 2026-09-29
api.external-controlled.test01.commsec.com.au 3 2025-10-27 2026-09-29
app.external-controlled.test01.commsec.com.au 3 2025-10-27 2026-09-29
gearedinvestments.external-controlled.test01.commsec.com.au 3 2025-10-27 2026-09-29
pocket.external-controlled.test01.commsec.com.au 4 2025-10-27 2026-09-29
research.test01.commsec.com.au 2 2025-06-23 2026-07-13
auth.test01.commsec.com.au 2 2026-03-26 2026-03-26
api.test01.commsec.com.au 8 2025-10-27 2026-09-29
app.test01.commsec.com.au 7 2025-10-27 2026-09-29
author.test01.commsec.com.au 1 2026-01-29 2026-01-29
pocket.test01.commsec.com.au 9 2025-07-31 2026-09-29
www.test01.commsec.com.au 11 2025-07-15 2026-10-05
ready.test01.commsec.com.au 1 2025-07-31 2025-07-31
static.dev01.commsec.com.au 5 2025-07-15 2026-10-05
author.dev01.commsec.com.au 1 2026-01-29 2026-01-29
www.dev01.commsec.com.au 5 2025-07-15 2026-10-05
www2.commsec.com.au 4 2025-10-22 2026-10-06
app3.commsec.com.au 3 2025-10-22 2026-10-06
www3.commsec.com.au 4 2025-10-22 2026-10-06
app4.commsec.com.au 1 2025-10-22 2025-10-22
www4.commsec.com.au 1 2025-10-22 2025-10-22
static.commsec.com.au 7 2025-08-28 2026-10-06
www2.external-controlled.commsec.com.au 2 2025-11-04 2026-10-06
app3.external-controlled.commsec.com.au 2 2025-11-04 2026-10-06
www3.external-controlled.commsec.com.au 2 2025-11-04 2026-10-06
api.external-controlled.commsec.com.au 2 2025-11-04 2026-10-05
app.external-controlled.commsec.com.au 2 2025-11-04 2026-10-06
gearedinvestments.external-controlled.commsec.com.au 2 2025-11-04 2026-10-06
pocket.external-controlled.commsec.com.au 2 2025-10-30 2026-10-01
staging.commsec.com.au 7 2025-06-26 2026-10-05
www2.staging.commsec.com.au 6 2025-10-29 2026-09-29
app3.staging.commsec.com.au 5 2025-10-28 2026-09-29
www3.staging.commsec.com.au 6 2025-10-29 2026-09-29
previous.www3.staging.commsec.com.au 1 2026-06-12 2026-06-12
next.www3.staging.commsec.com.au 1 2026-06-12 2026-06-12
app4.staging.commsec.com.au 3 2026-03-26 2026-06-12
www4.staging.commsec.com.au 3 2026-03-26 2026-06-12
previous.www4.staging.commsec.com.au 1 2026-06-12 2026-06-12
next.www4.staging.commsec.com.au 1 2026-06-12 2026-06-12
static.staging.commsec.com.au 13 2025-10-29 2026-10-09
www2.external-controlled.staging.commsec.com.au 2 2025-10-29 2026-09-29
app3.external-controlled.staging.commsec.com.au 2 2025-10-28 2026-09-29
www3.external-controlled.staging.commsec.com.au 2 2025-10-29 2026-09-29
static.external-controlled.staging.commsec.com.au 2 2025-10-29 2026-09-29
api.external-controlled.staging.commsec.com.au 3 2025-10-27 2026-09-29
app.external-controlled.staging.commsec.com.au 2 2025-10-28 2026-09-29
gearedinvestments.external-controlled.staging.commsec.com.au 3 2025-10-27 2026-09-29
pocket.external-controlled.staging.commsec.com.au 3 2025-10-27 2026-09-29
research.staging.commsec.com.au 2 2025-06-23 2026-07-13
auth.staging.commsec.com.au 2 2026-03-26 2026-03-26
api.staging.commsec.com.au 8 2025-10-27 2026-09-29
app.staging.commsec.com.au 8 2025-10-28 2026-09-29
author.staging.commsec.com.au 3 2025-09-23 2026-09-24
redirect.staging.commsec.com.au 2 2025-08-30 2026-07-31
pocket.staging.commsec.com.au 6 2025-09-03 2026-09-29
mod.jwt.staging.commsec.com.au 1 2025-11-30 2025-11-30
www.staging.commsec.com.au 13 2025-10-29 2026-10-09
ready.staging.commsec.com.au 1 2025-09-03 2025-09-03
data.msg.commsec.com.au 4 2025-08-02 2026-08-04
web.msg.commsec.com.au 2 2026-05-10 2026-05-10
cdn.msg.commsec.com.au 4 2025-07-02 2026-08-06
research.commsec.com.au 2 2025-06-23 2026-07-13
auth.commsec.com.au 1 2025-10-22 2025-10-22
api.commsec.com.au 6 2025-07-31 2026-10-05
ask.commsec.com.au 2 2026-06-09 2026-06-12
data.ajostage1.email.commsec.com.au 2 2026-05-28 2026-05-28
cdn.ajostage1.email.commsec.com.au 3 2026-03-25 2026-08-25
data.msg.email.commsec.com.au 4 2025-08-01 2026-08-03
cdn.msg.email.commsec.com.au 4 2025-07-02 2026-08-06
image.edm.commsec.com.au 1 2025-11-19 2025-11-19
click.edm.commsec.com.au 1 2025-11-05 2025-11-05
view.edm.commsec.com.au 1 2025-11-05 2025-11-05
app.commsec.com.au 5 2025-10-22 2026-10-06
author.commsec.com.au 2 2025-09-23 2026-09-28
data.services.commsec.com.au 5 2025-09-05 2026-09-08
cdn.services.commsec.com.au 3 2025-09-05 2026-08-06
markets.commsec.com.au 2 2025-12-15 2026-01-12
johan-test-sect.commsec.com.au 1 2025-09-25 2025-09-25
pocket.commsec.com.au 3 2025-10-22 2026-10-01
mod.jwt.commsec.com.au 1 2025-11-30 2025-11-30
www.commsec.com.au 8 2025-08-14 2026-10-06
ready.commsec.com.au 1 2025-10-22 2025-10-22

Programmatic access: API GET /v1/hosts/commsec.com.au (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/commsec.com.au.