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.

23 hosts · 295 ms

HostCertsFirst seenLast seen
ipswitch.com 29 2026-04-14 2026-09-09
uat-cloud.ipswitch.com 13 2026-06-02 2026-09-28
sit-cloud.ipswitch.com 11 2026-06-02 2026-09-28
de.ipswitch.com 49 2026-04-14 2026-09-09
license.ipswitch.com 2 2025-07-22 2026-08-03
ite.ipswitch.com 2 2025-10-03 2025-10-03
blog.ipswitch.com 49 2026-04-14 2026-09-09
cdn.ipswitch.com 1 2025-10-01 2025-10-01
jp.ipswitch.com 49 2026-04-14 2026-09-09
fr.ipswitch.com 49 2026-04-14 2026-09-09
docs.ipswitch.com 1 2026-05-30 2026-05-30
es.ipswitch.com 49 2026-04-14 2026-09-09
partners.ipswitch.com 1 2025-12-17 2025-12-17
aws.ipswitch.com 1 2025-10-01 2025-10-01
wwwuat.ipswitch.com 11 2026-06-02 2026-09-28
pt.ipswitch.com 49 2026-04-14 2026-09-09
cart.ipswitch.com 29 2026-04-14 2026-09-09
docs-test.ipswitch.com 1 2026-06-23 2026-06-23
wsftptest.ipswitch.com 3 2025-08-29 2026-09-26
wstptest.ipswitch.com 1 2025-08-29 2025-08-29
tw.ipswitch.com 49 2026-04-14 2026-09-09
www.ipswitch.com 29 2026-04-14 2026-09-09
community.ipswitch.com 7 2025-06-20 2026-07-07

Programmatic access: API GET /v1/hosts/ipswitch.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/ipswitch.com.