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.

19 hosts · 304 ms

HostCertsFirst seenLast seenDNS
acceligence.com 28 2025-08-30 2026-09-20 ok
*.acceligence.com 25 2026-05-25 2026-09-20 —
hub.acceligence.com 1 2026-05-09 2026-05-09 nxdomain
engage.acceligence.com 16 2026-04-25 2026-08-22 ok
knowledge.acceligence.com 12 2026-05-28 2026-09-23 ok
collaborate.acceligence.com 7 2026-06-01 2026-09-29 ok
portal.acceligence.com 20 2026-04-25 2026-08-21 ok
email.acceligence.com 22 2026-05-25 2026-09-20 ok
login.acceligence.com 9 2026-04-20 2026-09-22 ok
hubflo.acceligence.com 3 2026-09-29 2026-09-29 ok
help.acceligence.com 16 2026-04-25 2026-08-21 ok
wayfinder.acceligence.com 2 2026-06-28 2026-08-21 ok
assets.acceligence.com 8 2026-04-25 2026-08-22 ok
insights.acceligence.com 16 2026-04-25 2026-08-21 ok
news.acceligence.com 16 2026-05-24 2026-09-19 ok
redirect.acceligence.com 12 2026-05-27 2026-09-23 ok
meet.acceligence.com 15 2026-05-25 2026-09-20 ok
www.acceligence.com 1 2025-08-30 2025-08-30 ok
pay.acceligence.com 12 2026-05-14 2026-09-10 ok

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