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.

22 hosts · 328 ms

HostCertsFirst seenLast seenDNS
gomry.com 38 2026-04-10 2026-10-05 ok
*.gomry.com 7 2026-04-27 2026-09-07 —
cloud.gomry.com 1 2026-09-07 2026-09-07 ok
api.cloud.gomry.com 1 2026-09-07 2026-09-07 ok
docs.cloud.gomry.com 2 2026-09-22 2026-09-22 ok
victory-live.gomry.com 1 2026-08-24 2026-08-24 ok
sandbox.victory-live.gomry.com 1 2026-08-24 2026-08-24 ok
api.gomry.com 12 2026-04-11 2026-10-05 ok
ticketnetwork.gomry.com 1 2026-09-14 2026-09-14 nxdomain
retail.gomry.com 1 2026-08-24 2026-08-24 ok
ticketnetwork.retail.gomry.com 1 2026-09-14 2026-09-14 ok
sandbox.retail.gomry.com 1 2026-08-24 2026-08-24 ok
go.gomry.com 5 2026-06-05 2026-10-01 ok
app.gomry.com 3 2026-06-12 2026-08-13 ok
docs.gomry.com 4 2026-04-15 2026-08-17 ok
os.gomry.com 1 2026-09-10 2026-09-10 ok
business.gomry.com 5 2026-05-09 2026-09-12 ok
start.gomry.com 5 2026-06-05 2026-10-01 ok
api-dev.gomry.com 14 2026-04-11 2026-10-05 ok
www.gomry.com 4 2026-04-15 2026-08-17 ok
sandbox.gomry.com 1 2026-08-24 2026-08-24 ok
eu-pay.gomry.com 8 2026-04-21 2026-08-17 ok

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