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.

100 hosts (first page) · 417 ms

HostCertsFirst seenLast seenDNS
domain.com.au 21 2025-06-10 2026-09-07 ok
*.domain.com.au 128 2025-06-09 2026-10-05 —
p-slack-room-finder-api-v0.domain.com.au 3 2026-06-12 2026-08-17 ok
p-dart-v0.domain.com.au 4 2026-04-16 2026-08-26 ok
test-p-dart-v0.domain.com.au 4 2026-04-16 2026-08-26 ok
dbadevops-icinga2.domain.com.au 1 2026-05-05 2026-05-05 ok
rimh2.domain.com.au 8 2026-05-02 2026-09-19 ok
bf35f69f2c6f6bcda64064b1f5b49218.domain.com.au 5 2026-04-26 2026-09-24 ok
a.domain.com.au 3 2026-06-03 2026-08-08 ok
fe-dora.domain.com.au 1 2026-09-23 2026-09-23 ok
s-fe-dora.domain.com.au 1 2026-09-08 2026-09-08 ok
u-fe-dora.domain.com.au 1 2026-09-08 2026-09-08 ok
elsa.domain.com.au 7 2026-04-27 2026-09-06 ok
stage-elsa.domain.com.au 5 2026-04-27 2026-09-06 nxdomain
*.dynamic.domain.com.au 1 2025-12-01 2025-12-01 —
static.domain.com.au 6 2026-05-22 2026-10-01 ok
*.nonprod.domain.com.au 3 2025-11-23 2026-01-21 —
example-hostname1.nonprod.domain.com.au 5 2026-05-19 2026-09-28 nxdomain
example-hostname2.nonprod.domain.com.au 5 2026-05-19 2026-09-28 nxdomain
awsupgrade.nonprod.domain.com.au 3 2025-06-17 2025-08-18 nxdomain
s-awsupgrade.nonprod.domain.com.au 4 2025-08-08 2025-08-14 nxdomain
casa-del-agentes.nonprod.domain.com.au 3 2026-04-24 2026-09-24 ok
*.casa-del-agentes.nonprod.domain.com.au 3 2026-04-24 2026-09-24 —
sandbox.nonprod.domain.com.au 1 2026-01-13 2026-01-13 nodata
*.sandbox.nonprod.domain.com.au 1 2026-01-13 2026-01-13 —
l.e.domain.com.au 6 2026-05-03 2026-10-02 ok
bounce.domain.com.au 4 2026-05-28 2026-08-02 ok
stage-bounce.domain.com.au 4 2026-04-17 2026-08-27 ok
stage.domain.com.au 3 2026-06-09 2026-08-14 ok
rimh2-stage.domain.com.au 8 2026-05-17 2026-10-04 ok
domain-adapter-api-stage.domain.com.au 1 2026-09-07 2026-09-07 ok
rim-stage.domain.com.au 8 2026-05-17 2026-10-04 ok
strap-stage.domain.com.au 3 2026-06-10 2026-08-15 ok
url7976.stage.domain.com.au 2 2025-07-27 2026-06-27 ok
ykhqhe.domain.com.au 5 2026-05-12 2026-09-15 ok
wpe.domain.com.au 1 2026-01-06 2026-01-06 nxdomain
*.wpe.domain.com.au 1 2026-01-06 2026-01-06 —
pre.domain.com.au 1 2026-01-01 2026-01-01 nxdomain
*.pre.domain.com.au 1 2026-01-01 2026-01-01 —
ppre.domain.com.au 1 2026-01-01 2026-01-01 nxdomain
*.ppre.domain.com.au 1 2026-01-01 2026-01-01 —
s-slack-room-finder-api-v0staging.domain.com.au 3 2026-06-12 2026-08-17 ok
booking.domain.com.au 3 2026-06-02 2026-08-07 ok
p-stealth-monitoring.domain.com.au 3 2026-05-29 2026-08-03 ok
s-stealth-monitoring.domain.com.au 4 2026-05-28 2026-08-02 ok
u-stealth-monitoring.domain.com.au 5 2026-05-25 2026-10-04 ok
blog.domain.com.au 3 2026-06-04 2026-08-09 ok
research.domain.com.au 5 2026-04-27 2026-09-14 ok
stage-auth.domain.com.au 4 2026-04-18 2026-08-28 ok
api.domain.com.au 4 2026-04-13 2026-08-23 ok
sandbox-booking-v2-api.domain.com.au 5 2026-05-07 2026-09-16 ok
s-sandbox-listing-admin-web-api.domain.com.au 1 2026-08-07 2026-08-07 ok
staging-api.domain.com.au 4 2026-04-18 2026-08-28 ok
sandbox-listing-admin-api.domain.com.au 1 2026-08-07 2026-08-07 ok
stage-domain-adapter-api.domain.com.au 1 2026-09-07 2026-09-07 ok
statistics-api.domain.com.au 1 2026-09-30 2026-09-30 ok
stage-statistics-api.domain.com.au 1 2026-09-30 2026-09-30 ok
sandbox-listings-api.domain.com.au 1 2026-08-21 2026-08-21 ok
stage-sandbox-listings-api.domain.com.au 1 2026-08-25 2026-08-25 ok
internal-sandbox-listings-api.domain.com.au 1 2026-08-28 2026-08-28 ok
txn-users-api.domain.com.au 6 2026-04-18 2026-08-28 ok
stage-txn-users-api.domain.com.au 8 2026-04-18 2026-08-28 ok
txn-users-ingress-api.domain.com.au 4 2026-04-18 2026-08-28 ok
stage-txn-users-ingress-api.domain.com.au 4 2026-04-18 2026-08-28 ok
bucket-api.domain.com.au 4 2026-05-27 2026-08-01 ok
stage-bucket-api.domain.com.au 5 2026-05-14 2026-09-23 ok
uat-bucket-api.domain.com.au 5 2026-05-14 2026-09-23 ok
vapi.domain.com.au 5 2026-04-21 2026-08-31 ok
feedback.domain.com.au 8 2026-05-04 2026-08-30 ok
email-webhook.domain.com.au 3 2026-05-29 2026-08-03 ok
stage-email-webhook.domain.com.au 4 2026-05-26 2026-07-31 ok
uat-email-webhook.domain.com.au 3 2026-05-26 2026-08-07 ok
domain-sms-webhook.domain.com.au 6 2026-05-21 2026-09-30 ok
stage-domain-sms-webhook.domain.com.au 5 2026-04-24 2026-09-03 ok
uat-domain-sms-webhook.domain.com.au 5 2026-04-24 2026-09-03 ok
*.internal.domain.com.au 9 2025-11-28 2026-08-04 —
*.sell.domain.com.au 2 2026-04-07 2026-09-07 —
p-fe-server-graphql.domain.com.au 4 2026-05-17 2026-07-22 nxdomain
s-fe-server-graphql.domain.com.au 2 2026-05-15 2026-05-15 ok
m.domain.com.au 3 2026-06-03 2026-08-08 ok
stage-m.domain.com.au 3 2026-06-09 2026-08-14 ok
rim.domain.com.au 8 2026-05-02 2026-09-19 ok
booking-tsm.domain.com.au 3 2026-06-02 2026-08-07 ok
vapi-tsm.domain.com.au 5 2026-04-21 2026-08-31 ok
rum.domain.com.au 4 2026-04-16 2026-08-26 ok
stage-rum.domain.com.au 4 2026-04-17 2026-08-27 ok
booking-dvm.domain.com.au 3 2026-06-02 2026-08-07 ok
vapi-dvm.domain.com.au 5 2026-04-21 2026-08-31 ok
imagescdn.domain.com.au 5 2026-04-21 2026-08-31 ok
stage-p.domain.com.au 3 2026-06-09 2026-08-14 ok
strap.domain.com.au 3 2026-06-10 2026-08-15 ok
help.domain.com.au 5 2026-05-06 2026-09-03 ok
app.domain.com.au 3 2026-06-04 2026-08-09 ok
stage-app.domain.com.au 3 2026-06-09 2026-08-14 ok
solarwinds-app.domain.com.au 1 2026-05-05 2026-05-05 ok
ftp.domain.com.au 2 2025-10-17 2026-09-17 ok
p-ftp.domain.com.au 2 2025-10-17 2026-09-17 ok
domaingroup.domain.com.au 4 2025-09-13 2026-08-14 nodata
*.domaingroup.domain.com.au 7 2025-09-13 2026-09-08 —
*.facebook-messenger.domain.com.au 1 2026-04-07 2026-04-07 —

Showing the first 100 hostnames — sign in with GitHub or Google to page the full list, or use the API with an API key: GET /v1/hosts/domain.com.au.

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/domain.com.au.