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.

20 hosts · 268 ms

HostCertsFirst seenLast seenDNS
integrisdesign.com 11 2026-04-25 2026-09-06 ok
*.integrisdesign.com 8 2026-05-01 2026-09-06 —
socialmedia.integrisdesign.com 3 2026-05-14 2026-08-29 ok
email.lc.integrisdesign.com 5 2026-04-28 2026-08-26 ok
dashboard.integrisdesign.com 5 2026-05-23 2026-09-20 ok
reporting.integrisdesign.com 3 2026-01-28 2026-06-04 nxdomain
api.integrisdesign.com 7 2026-05-08 2026-09-23 ok
social.integrisdesign.com 7 2026-05-08 2026-09-23 ok
proposal.integrisdesign.com 7 2026-05-02 2026-09-15 ok
crm.integrisdesign.com 10 2026-04-28 2026-08-24 ok
scan.integrisdesign.com 5 2026-05-29 2026-09-26 ok
reputation.integrisdesign.com 3 2026-05-13 2026-09-01 ok
app.integrisdesign.com 10 2026-04-25 2026-08-22 ok
metrics.integrisdesign.com 4 2026-05-03 2026-07-02 nxdomain
listings.integrisdesign.com 3 2026-05-14 2026-08-28 ok
snapshots.integrisdesign.com 3 2026-05-21 2026-09-04 ok
connect.integrisdesign.com 10 2026-04-25 2026-08-21 ok
www.integrisdesign.com 3 2026-04-25 2026-08-27 ok
email.noreply.integrisdesign.com 5 2026-04-26 2026-08-24 ok
my.integrisdesign.com 2 2026-04-14 2026-04-14 nxdomain

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