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.

30 hosts · 403 ms

HostCertsFirst seenLast seenDNS
hostaway.com 4 2026-05-30 2026-07-13 ok
*.hostaway.com 5 2025-06-26 2026-09-24 —
data1.hostaway.com 1 2026-07-08 2026-07-08 ok
conference.hostaway.com 14 2026-05-10 2026-09-05 ok
mfe.hostaway.com 2 2026-08-19 2026-08-19 ok
billing.hostaway.com 8 2026-04-20 2026-08-17 ok
changelog.hostaway.com 9 2026-04-13 2026-08-26 ok
hydra-auth.hostaway.com 1 2026-07-22 2026-07-22 ok
kratos-auth.hostaway.com 1 2026-07-22 2026-07-22 ok
api.hostaway.com 1 2026-04-13 2026-04-13 ok
team.hostaway.com 5 2026-05-07 2026-08-17 ok
info.hostaway.com 2 2026-07-13 2026-07-13 ok
websitebuilderpro.hostaway.com 3 2026-05-28 2026-08-19 ok
lp.hostaway.com 6 2026-05-01 2026-08-27 ok
refer.hostaway.com 10 2026-05-09 2026-09-05 ok
partner.hostaway.com 16 2026-05-02 2026-08-28 ok
hostawaymaster.hostaway.com 1 2026-06-03 2026-06-03 ok
*.webhooks.hostaway.com 7 2025-09-10 2026-08-24 —
careers.hostaway.com 7 2026-05-08 2026-09-05 ok
www.careers.hostaway.com 5 2026-05-08 2026-09-05 ok
ambassadors.hostaway.com 8 2026-05-10 2026-09-05 ok
compass.hostaway.com 6 2026-06-26 2026-08-24 ok
mta-sts.hostaway.com 6 2026-06-03 2026-10-01 ok
get.hostaway.com 16 2026-05-11 2026-09-06 ok
snippet.hostaway.com 10 2026-05-09 2026-09-04 ok
payment.hostaway.com 5 2026-05-16 2026-09-13 ok
support.hostaway.com 4 2026-04-19 2026-08-17 ok
*.sandbox.hostaway.com 1 2026-09-22 2026-09-22 —
dashboard.sandbox.hostaway.com 1 2026-09-24 2026-09-24 nxdomain
hostawaymaster.sandbox.hostaway.com 1 2026-09-25 2026-09-25 nxdomain

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