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 · 459 ms

HostCertsFirst seenLast seenDNS
collegeave.com 30 2025-09-24 2026-10-02 ok
*.collegeave.com 25 2025-09-24 2026-09-02 —
drprod.collegeave.com 5 2026-05-28 2026-09-25 ok
staging.collegeave.com 4 2025-10-15 2026-09-29 ok
api-staging.collegeave.com 4 2025-08-08 2026-09-29 ok
ambition-staging.collegeave.com 4 2025-07-22 2026-09-29 nodata
advisors-staging.collegeave.com 1 2026-01-27 2026-01-27 ok
api-west-staging.collegeave.com 2 2025-06-13 2026-05-22 ok
api-testing.collegeave.com 4 2025-08-08 2026-09-29 ok
ambition-testing.collegeave.com 4 2025-07-22 2026-09-29 nodata
advisors-testing.collegeave.com 1 2026-01-27 2026-01-27 ok
api-west-testing.collegeave.com 2 2025-06-13 2026-05-22 ok
api.collegeave.com 4 2025-08-08 2026-09-29 ok
cdeapi.collegeave.com 1 2026-04-15 2026-04-15 ok
gatewayapi.collegeave.com 2 2025-07-21 2026-07-15 ok
www.gatewayapi.collegeave.com 2 2025-07-21 2026-07-15 nxdomain
uatgatewayapi.collegeave.com 2 2025-07-21 2026-07-13 ok
www.uatgatewayapi.collegeave.com 2 2025-07-21 2026-07-13 nxdomain
clicks.email.collegeave.com 4 2026-04-21 2026-10-04 ok
cdn.collegeave.com 5 2025-10-23 2026-09-29 ok
ambition.collegeave.com 4 2025-07-22 2026-09-29 ok
vpn.collegeave.com 6 2026-01-21 2026-09-19 ok
www.vpn.collegeave.com 1 2026-01-21 2026-01-21 nxdomain
drvpn.collegeave.com 5 2026-05-30 2026-09-27 ok
sso.collegeave.com 2 2025-07-21 2026-07-15 ok
www.sso.collegeave.com 2 2025-07-21 2026-07-15 nxdomain
uatsso.collegeave.com 3 2025-07-21 2026-07-14 ok
www.uatsso.collegeave.com 3 2025-07-21 2026-07-14 nxdomain
help.collegeave.com 5 2026-05-19 2026-09-16 ok
clicks.notifications.collegeave.com 4 2026-04-29 2026-10-04 ok
clicks.offers.collegeave.com 4 2026-04-29 2026-10-04 ok
advisors.collegeave.com 1 2026-01-27 2026-01-27 ok
helpuat.collegeave.com 4 2026-04-12 2026-08-10 ok
cde.react.collegeave.com 1 2026-04-27 2026-04-27 nxdomain
cdereact.collegeave.com 3 2026-04-27 2026-08-12 ok
int.collegeave.com 1 2025-09-24 2025-09-24 nodata
*.int.collegeave.com 1 2025-09-24 2025-09-24 —
darktrace.int.collegeave.com 4 2025-10-06 2025-10-06 nxdomain
www.darktrace.int.collegeave.com 4 2025-10-06 2025-10-06 nxdomain
cde.int.collegeave.com 1 2026-02-09 2026-02-09 nodata
www.cde.int.collegeave.com 1 2026-02-09 2026-02-09 nxdomain
cacuat.int.collegeave.com 1 2026-02-09 2026-02-09 nodata
www.cacuat.int.collegeave.com 1 2026-02-09 2026-02-09 nxdomain
cdeuat.int.collegeave.com 1 2026-02-09 2026-02-09 nodata
www.cdeuat.int.collegeave.com 1 2026-02-09 2026-02-09 nxdomain
moveit.int.collegeave.com 1 2026-01-07 2026-01-07 nxdomain
www.moveit.int.collegeave.com 1 2026-01-07 2026-01-07 nxdomain
tableau.int.collegeave.com 3 2025-08-07 2026-08-05 nxdomain
www.tableau.int.collegeave.com 3 2025-08-07 2026-08-05 nxdomain
clicks.support.collegeave.com 4 2026-04-29 2026-10-04 ok
ssotest.collegeave.com 1 2025-07-18 2025-07-18 ok
www.ssotest.collegeave.com 1 2025-07-18 2025-07-18 nxdomain
drtest.collegeave.com 5 2026-05-28 2026-09-25 ok
staging-west.collegeave.com 2 2025-06-13 2026-05-22 ok
api-west.collegeave.com 2 2025-06-13 2026-05-22 ok
www-west.collegeave.com 2 2025-06-13 2026-05-22 ok
www.collegeave.com 4 2025-10-15 2026-09-29 ok
apply.collegeave.com 5 2026-05-04 2026-09-20 ok
launch.apply.collegeave.com 4 2026-04-11 2026-09-23 ok
test.apply.collegeave.com 5 2026-04-08 2026-09-21 ok

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