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.

21 hosts · 302 ms

HostCertsFirst seenLast seenDNS
stayaka.com 47 2026-04-23 2026-09-05 ok
*.stayaka.com 47 2026-01-21 2026-09-05 —
link.aka.stayaka.com 3 2026-05-14 2026-09-27 ok
dna.stayaka.com 10 2026-06-08 2026-10-05 ok
servicedesk.stayaka.com 5 2026-05-02 2026-08-30 ok
link.mail.stayaka.com 3 2026-05-14 2026-09-28 ok
cloud.email.stayaka.com 2 2026-02-20 2026-02-20 ok
image.email.stayaka.com 49 2026-02-20 2026-09-02 ok
click.email.stayaka.com 2 2026-02-20 2026-02-20 ok
view.email.stayaka.com 2 2026-02-20 2026-02-20 ok
condo.stayaka.com 11 2026-06-08 2026-10-04 ok
go.stayaka.com 4 2026-06-17 2026-08-15 ok
*.go.stayaka.com 4 2026-06-17 2026-08-15 —
bostoncommonapp.stayaka.com 13 2026-05-29 2026-09-24 ok
backbayapp.stayaka.com 9 2026-05-26 2026-09-21 ok
link.member.stayaka.com 3 2026-05-14 2026-09-27 ok
email.member.stayaka.com 2 2026-05-07 2026-05-07 ok
reservations.stayaka.com 25 2026-05-12 2026-10-06 ok
careers.stayaka.com 4 2026-04-17 2026-08-15 ok
access.stayaka.com 2 2026-10-05 2026-10-05 ok
mta-sts.stayaka.com 8 2026-04-23 2026-08-19 ok

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